638476020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 480

約数和(自身を含む): 2540837376

約数和(自身を除く): 1902361356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 61, 63, 65, 70, 71, 78, 81, 84, 90, 91, 105, 108, 117, 122, 126, 130, 135, 140, 142, 156, 162, 180, 182, 183, 189, 195, 210, 213, 234, 244, 252, 260, 270, 273, 284, 305, 315, 324, 351, 355, 364, 366, 378, 390, 405, 420, 426, 427, 455, 468, 497, 540, 546, 549, 567, 585, 610, 630, 639, 702, 710, 732, 756, 780, 793, 810, 819, 852, 854, 910, 915, 923, 945, 994, 1053, 1065, 1092, 1098, 1134, 1170, 1220, 1260, 1278, 1281, 1365, 1404, 1420, 1491, 1586, 1620, 1638, 1647, 1708, 1755, 1820, 1830, 1846, 1890, 1917, 1988, 2106, 2130, 2135, 2196, 2268, 2340, 2379, 2457, 2485, 2556, 2562, 2730, 2745, 2769, 2835, 2982, 3172, 3195, 3276, 3294, 3510, 3660, 3692, 3780, 3834, 3843, 3965, 4095, 4212, 4260, 4270, 4331, 4473, 4615, 4758, 4914, 4941, 4970, 5124, 5265, 5460, 5490, 5538, 5551, 5670, 5751, 5964, 6390, 6405, 6461, 6588, 7020, 7137, 7371, 7455, 7668, 7686, 7930, 8190, 8235, 8307, 8540, 8662, 8946, 9230, 9516, 9585, 9828, 9882, 9940, 10530, 10980, 11076, 11102, 11340, 11502, 11529, 11895, 12285, 12780, 12810, 12922, 12993, 13419, 13845, 14274, 14742, 14910, 15372, 15860, 16380, 16470, 16614, 16653, 17324, 17892, 18460, 19170, 19215, 19383, 19764, 21060, 21411, 21655, 22204, 22365, 23004, 23058, 23790, 24570, 24705, 24921, 25620, 25844, 25986, 26838, 27690, 27755, 28548, 28755, 29484, 29820, 30317, 32305, 32940, 33228, 33306, 34587, 35685, 36855, 38340, 38430, 38766, 38979, 40257, 41535, 42822, 43310, 44730, 46116, 47580, 49140, 49410, 49842, 49959, 51972, 53676, 55380, 55510, 56303, 57510, 57645, 58149, 60634, 64233, 64610, 64965, 66612, 67095, 69174, 71370, 73710, 74763, 76860, 77532, 77958, 80514, 83070, 83265, 85644, 86620, 89460, 90951, 96915, 98820, 99684, 99918, 107055, 111020, 112606, 115020, 115290, 116298, 116937, 121268, 124605, 128466, 129220, 129930, 134190, 138348, 142740, 147420, 149526, 149877, 151585, 155916, 161028, 166140, 166530, 168909, 172935, 174447, 181902, 193830, 194895, 199836, 201285, 214110, 225212, 230580, 232596, 233874, 249210, 249795, 256932, 259860, 268380, 272853, 281515, 290745, 299052, 299754, 303170, 321165, 333060, 337818, 345870, 348894, 350811, 363804, 373815, 387660, 389790, 394121, 402570, 428220, 449631, 454755, 467748, 498420, 499590, 506727, 523341, 545706, 563030, 581490, 584685, 599508, 606340, 642330, 675636, 691740, 697788, 701622, 747630, 749385, 779580, 788242, 805140, 818559, 844545, 872235, 899262, 909510, 999180, 1013454, 1046682, 1091412, 1126060, 1162980, 1169370, 1182363, 1284660, 1364265, 1403244, 1495260, 1498770, 1520181, 1576484, 1637118, 1689090, 1744470, 1754055, 1798524, 1819020, 1970605, 2026908, 2093364, 2248155, 2338740, 2364726, 2455677, 2533635, 2616705, 2728530, 2997540, 3040362, 3274236, 3378180, 3488940, 3508110, 3547089, 3941210, 4092795, 4496310, 4560543, 4729452, 4911354, 5067270, 5233410, 5457060, 5911815, 6080724, 7016220, 7094178, 7600905, 7882420, 8185590, 8992620, 9121086, 9822708, 10134540, 10466820, 10641267, 11823630, 12278385, 14188356, 15201810, 16371180, 17735445, 18242172, 21282534, 22802715, 23647260, 24556770, 30403620, 31923801, 35470890, 42565068, 45605430, 49113540, 53206335, 63847602, 70941780, 91210860, 106412670, 127695204, 159619005, 212825340, 319238010, 638476020]

約数ペア:

[(1, 638476020), (2, 319238010), (3, 212825340), (4, 159619005), (5, 127695204), (6, 106412670), (7, 91210860), (9, 70941780), (10, 63847602), (12, 53206335), (13, 49113540), (14, 45605430), (15, 42565068), (18, 35470890), (20, 31923801), (21, 30403620), (26, 24556770), (27, 23647260), (28, 22802715), (30, 21282534), (35, 18242172), (36, 17735445), (39, 16371180), (42, 15201810), (45, 14188356), (52, 12278385), (54, 11823630), (60, 10641267), (61, 10466820), (63, 10134540), (65, 9822708), (70, 9121086), (71, 8992620), (78, 8185590), (81, 7882420), (84, 7600905), (90, 7094178), (91, 7016220), (105, 6080724), (108, 5911815), (117, 5457060), (122, 5233410), (126, 5067270), (130, 4911354), (135, 4729452), (140, 4560543), (142, 4496310), (156, 4092795), (162, 3941210), (180, 3547089), (182, 3508110), (183, 3488940), (189, 3378180), (195, 3274236), (210, 3040362), (213, 2997540), (234, 2728530), (244, 2616705), (252, 2533635), (260, 2455677), (270, 2364726), (273, 2338740), (284, 2248155), (305, 2093364), (315, 2026908), (324, 1970605), (351, 1819020), (355, 1798524), (364, 1754055), (366, 1744470), (378, 1689090), (390, 1637118), (405, 1576484), (420, 1520181), (426, 1498770), (427, 1495260), (455, 1403244), (468, 1364265), (497, 1284660), (540, 1182363), (546, 1169370), (549, 1162980), (567, 1126060), (585, 1091412), (610, 1046682), (630, 1013454), (639, 999180), (702, 909510), (710, 899262), (732, 872235), (756, 844545), (780, 818559), (793, 805140), (810, 788242), (819, 779580), (852, 749385), (854, 747630), (910, 701622), (915, 697788), (923, 691740), (945, 675636), (994, 642330), (1053, 606340), (1065, 599508), (1092, 584685), (1098, 581490), (1134, 563030), (1170, 545706), (1220, 523341), (1260, 506727), (1278, 499590), (1281, 498420), (1365, 467748), (1404, 454755), (1420, 449631), (1491, 428220), (1586, 402570), (1620, 394121), (1638, 389790), (1647, 387660), (1708, 373815), (1755, 363804), (1820, 350811), (1830, 348894), (1846, 345870), (1890, 337818), (1917, 333060), (1988, 321165), (2106, 303170), (2130, 299754), (2135, 299052), (2196, 290745), (2268, 281515), (2340, 272853), (2379, 268380), (2457, 259860), (2485, 256932), (2556, 249795), (2562, 249210), (2730, 233874), (2745, 232596), (2769, 230580), (2835, 225212), (2982, 214110), (3172, 201285), (3195, 199836), (3276, 194895), (3294, 193830), (3510, 181902), (3660, 174447), (3692, 172935), (3780, 168909), (3834, 166530), (3843, 166140), (3965, 161028), (4095, 155916), (4212, 151585), (4260, 149877), (4270, 149526), (4331, 147420), (4473, 142740), (4615, 138348), (4758, 134190), (4914, 129930), (4941, 129220), (4970, 128466), (5124, 124605), (5265, 121268), (5460, 116937), (5490, 116298), (5538, 115290), (5551, 115020), (5670, 112606), (5751, 111020), (5964, 107055), (6390, 99918), (6405, 99684), (6461, 98820), (6588, 96915), (7020, 90951), (7137, 89460), (7371, 86620), (7455, 85644), (7668, 83265), (7686, 83070), (7930, 80514), (8190, 77958), (8235, 77532), (8307, 76860), (8540, 74763), (8662, 73710), (8946, 71370), (9230, 69174), (9516, 67095), (9585, 66612), (9828, 64965), (9882, 64610), (9940, 64233), (10530, 60634), (10980, 58149), (11076, 57645), (11102, 57510), (11340, 56303), (11502, 55510), (11529, 55380), (11895, 53676), (12285, 51972), (12780, 49959), (12810, 49842), (12922, 49410), (12993, 49140), (13419, 47580), (13845, 46116), (14274, 44730), (14742, 43310), (14910, 42822), (15372, 41535), (15860, 40257), (16380, 38979), (16470, 38766), (16614, 38430), (16653, 38340), (17324, 36855), (17892, 35685), (18460, 34587), (19170, 33306), (19215, 33228), (19383, 32940), (19764, 32305), (21060, 30317), (21411, 29820), (21655, 29484), (22204, 28755), (22365, 28548), (23004, 27755), (23058, 27690), (23790, 26838), (24570, 25986), (24705, 25844), (24921, 25620)]