31400460

素因数分解:

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

素因数の和:115

約数の個数: 288

約数和(自身を含む): 123282432

約数和(自身を除く): 91881972

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, 63, 65, 70, 71, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 142, 156, 162, 180, 182, 189, 195, 210, 213, 234, 243, 252, 260, 270, 273, 284, 315, 324, 351, 355, 364, 378, 390, 405, 420, 426, 455, 468, 486, 497, 540, 546, 567, 585, 630, 639, 702, 710, 756, 780, 810, 819, 852, 910, 923, 945, 972, 994, 1053, 1065, 1092, 1134, 1170, 1215, 1260, 1278, 1365, 1404, 1420, 1491, 1620, 1638, 1701, 1755, 1820, 1846, 1890, 1917, 1988, 2106, 2130, 2268, 2340, 2430, 2457, 2485, 2556, 2730, 2769, 2835, 2982, 3159, 3195, 3276, 3402, 3510, 3692, 3780, 3834, 4095, 4212, 4260, 4473, 4615, 4860, 4914, 4970, 5265, 5460, 5538, 5670, 5751, 5964, 6318, 6390, 6461, 6804, 7020, 7371, 7455, 7668, 8190, 8307, 8505, 8946, 9230, 9585, 9828, 9940, 10530, 11076, 11340, 11502, 12285, 12636, 12780, 12922, 13419, 13845, 14742, 14910, 15795, 16380, 16614, 17010, 17253, 17892, 18460, 19170, 19383, 21060, 22113, 22365, 23004, 24570, 24921, 25844, 26838, 27690, 28755, 29484, 29820, 31590, 32305, 33228, 34020, 34506, 36855, 38340, 38766, 40257, 41535, 44226, 44730, 49140, 49842, 53676, 55380, 57510, 58149, 63180, 64610, 67095, 69012, 73710, 74763, 77532, 80514, 83070, 86265, 88452, 89460, 96915, 99684, 110565, 115020, 116298, 120771, 124605, 129220, 134190, 147420, 149526, 161028, 166140, 172530, 174447, 193830, 201285, 221130, 224289, 232596, 241542, 249210, 268380, 290745, 299052, 345060, 348894, 373815, 387660, 402570, 442260, 448578, 483084, 498420, 523341, 581490, 603855, 697788, 747630, 805140, 872235, 897156, 1046682, 1121445, 1162980, 1207710, 1495260, 1570023, 1744470, 2093364, 2242890, 2415420, 2616705, 3140046, 3488940, 4485780, 5233410, 6280092, 7850115, 10466820, 15700230, 31400460]

約数ペア:

[(1, 31400460), (2, 15700230), (3, 10466820), (4, 7850115), (5, 6280092), (6, 5233410), (7, 4485780), (9, 3488940), (10, 3140046), (12, 2616705), (13, 2415420), (14, 2242890), (15, 2093364), (18, 1744470), (20, 1570023), (21, 1495260), (26, 1207710), (27, 1162980), (28, 1121445), (30, 1046682), (35, 897156), (36, 872235), (39, 805140), (42, 747630), (45, 697788), (52, 603855), (54, 581490), (60, 523341), (63, 498420), (65, 483084), (70, 448578), (71, 442260), (78, 402570), (81, 387660), (84, 373815), (90, 348894), (91, 345060), (105, 299052), (108, 290745), (117, 268380), (126, 249210), (130, 241542), (135, 232596), (140, 224289), (142, 221130), (156, 201285), (162, 193830), (180, 174447), (182, 172530), (189, 166140), (195, 161028), (210, 149526), (213, 147420), (234, 134190), (243, 129220), (252, 124605), (260, 120771), (270, 116298), (273, 115020), (284, 110565), (315, 99684), (324, 96915), (351, 89460), (355, 88452), (364, 86265), (378, 83070), (390, 80514), (405, 77532), (420, 74763), (426, 73710), (455, 69012), (468, 67095), (486, 64610), (497, 63180), (540, 58149), (546, 57510), (567, 55380), (585, 53676), (630, 49842), (639, 49140), (702, 44730), (710, 44226), (756, 41535), (780, 40257), (810, 38766), (819, 38340), (852, 36855), (910, 34506), (923, 34020), (945, 33228), (972, 32305), (994, 31590), (1053, 29820), (1065, 29484), (1092, 28755), (1134, 27690), (1170, 26838), (1215, 25844), (1260, 24921), (1278, 24570), (1365, 23004), (1404, 22365), (1420, 22113), (1491, 21060), (1620, 19383), (1638, 19170), (1701, 18460), (1755, 17892), (1820, 17253), (1846, 17010), (1890, 16614), (1917, 16380), (1988, 15795), (2106, 14910), (2130, 14742), (2268, 13845), (2340, 13419), (2430, 12922), (2457, 12780), (2485, 12636), (2556, 12285), (2730, 11502), (2769, 11340), (2835, 11076), (2982, 10530), (3159, 9940), (3195, 9828), (3276, 9585), (3402, 9230), (3510, 8946), (3692, 8505), (3780, 8307), (3834, 8190), (4095, 7668), (4212, 7455), (4260, 7371), (4473, 7020), (4615, 6804), (4860, 6461), (4914, 6390), (4970, 6318), (5265, 5964), (5460, 5751), (5538, 5670)]