638672580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:396

約数の個数: 384

約数和(自身を含む): 2513064960

約数和(自身を除く): 1874392380

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, 41, 42, 45, 52, 54, 60, 63, 65, 70, 78, 82, 84, 90, 91, 105, 108, 117, 123, 126, 130, 135, 140, 156, 164, 180, 182, 189, 195, 205, 210, 234, 246, 252, 260, 270, 273, 287, 315, 317, 351, 364, 369, 378, 390, 410, 420, 455, 468, 492, 533, 540, 546, 574, 585, 615, 630, 634, 702, 738, 756, 780, 819, 820, 861, 910, 945, 951, 1066, 1092, 1107, 1148, 1170, 1230, 1260, 1268, 1365, 1404, 1435, 1476, 1585, 1599, 1638, 1722, 1755, 1820, 1845, 1890, 1902, 2132, 2214, 2219, 2340, 2457, 2460, 2583, 2665, 2730, 2853, 2870, 3170, 3198, 3276, 3444, 3510, 3690, 3731, 3780, 3804, 4095, 4121, 4305, 4428, 4438, 4755, 4797, 4914, 5166, 5330, 5460, 5535, 5706, 5740, 6340, 6396, 6657, 7020, 7380, 7462, 7749, 7995, 8190, 8242, 8559, 8610, 8876, 9510, 9594, 9828, 10332, 10660, 11070, 11095, 11193, 11412, 12285, 12363, 12915, 12997, 13314, 14265, 14391, 14924, 15498, 15990, 16380, 16484, 17118, 17220, 18655, 19020, 19188, 19971, 20605, 22140, 22190, 22386, 23985, 24570, 24726, 25830, 25994, 26628, 28530, 28782, 28847, 30996, 31980, 33285, 33579, 34236, 37089, 37310, 38745, 38991, 39942, 41210, 42795, 44380, 44772, 47970, 49140, 49452, 51660, 51988, 55965, 57060, 57564, 57694, 59913, 61815, 64985, 66570, 67158, 71955, 74178, 74620, 77490, 77982, 79884, 82420, 85590, 86541, 90979, 95940, 99855, 100737, 111267, 111930, 115388, 116973, 119826, 123630, 129970, 133140, 134316, 143910, 144235, 148356, 154980, 155964, 167895, 168961, 171180, 173082, 181958, 185445, 194955, 199710, 201474, 222534, 223860, 233946, 239652, 247260, 259623, 259940, 272937, 287820, 288470, 299565, 335790, 337922, 346164, 350919, 363916, 370890, 389910, 399420, 402948, 432705, 445068, 454895, 467892, 503685, 506883, 519246, 545874, 556335, 576940, 584865, 599130, 671580, 675844, 701838, 741780, 778869, 779820, 818811, 844805, 865410, 909790, 1007370, 1013766, 1038492, 1091748, 1112670, 1169730, 1182727, 1198260, 1298115, 1364685, 1403676, 1520649, 1557738, 1637622, 1689610, 1730820, 1754595, 1819580, 2014740, 2027532, 2225340, 2339460, 2365454, 2456433, 2534415, 2596230, 2729370, 3041298, 3115476, 3275244, 3379220, 3509190, 3548181, 3894345, 4094055, 4561947, 4730908, 4912866, 5068830, 5192460, 5458740, 5913635, 6082596, 7018380, 7096362, 7603245, 7788690, 8188110, 9123894, 9825732, 10137660, 10644543, 11827270, 12282165, 14192724, 15206490, 15577380, 16376220, 17740905, 18247788, 21289086, 22809735, 23654540, 24564330, 30412980, 31933629, 35481810, 42578172, 45619470, 49128660, 53222715, 63867258, 70963620, 91238940, 106445430, 127734516, 159668145, 212890860, 319336290, 638672580]

約数ペア:

[(1, 638672580), (2, 319336290), (3, 212890860), (4, 159668145), (5, 127734516), (6, 106445430), (7, 91238940), (9, 70963620), (10, 63867258), (12, 53222715), (13, 49128660), (14, 45619470), (15, 42578172), (18, 35481810), (20, 31933629), (21, 30412980), (26, 24564330), (27, 23654540), (28, 22809735), (30, 21289086), (35, 18247788), (36, 17740905), (39, 16376220), (41, 15577380), (42, 15206490), (45, 14192724), (52, 12282165), (54, 11827270), (60, 10644543), (63, 10137660), (65, 9825732), (70, 9123894), (78, 8188110), (82, 7788690), (84, 7603245), (90, 7096362), (91, 7018380), (105, 6082596), (108, 5913635), (117, 5458740), (123, 5192460), (126, 5068830), (130, 4912866), (135, 4730908), (140, 4561947), (156, 4094055), (164, 3894345), (180, 3548181), (182, 3509190), (189, 3379220), (195, 3275244), (205, 3115476), (210, 3041298), (234, 2729370), (246, 2596230), (252, 2534415), (260, 2456433), (270, 2365454), (273, 2339460), (287, 2225340), (315, 2027532), (317, 2014740), (351, 1819580), (364, 1754595), (369, 1730820), (378, 1689610), (390, 1637622), (410, 1557738), (420, 1520649), (455, 1403676), (468, 1364685), (492, 1298115), (533, 1198260), (540, 1182727), (546, 1169730), (574, 1112670), (585, 1091748), (615, 1038492), (630, 1013766), (634, 1007370), (702, 909790), (738, 865410), (756, 844805), (780, 818811), (819, 779820), (820, 778869), (861, 741780), (910, 701838), (945, 675844), (951, 671580), (1066, 599130), (1092, 584865), (1107, 576940), (1148, 556335), (1170, 545874), (1230, 519246), (1260, 506883), (1268, 503685), (1365, 467892), (1404, 454895), (1435, 445068), (1476, 432705), (1585, 402948), (1599, 399420), (1638, 389910), (1722, 370890), (1755, 363916), (1820, 350919), (1845, 346164), (1890, 337922), (1902, 335790), (2132, 299565), (2214, 288470), (2219, 287820), (2340, 272937), (2457, 259940), (2460, 259623), (2583, 247260), (2665, 239652), (2730, 233946), (2853, 223860), (2870, 222534), (3170, 201474), (3198, 199710), (3276, 194955), (3444, 185445), (3510, 181958), (3690, 173082), (3731, 171180), (3780, 168961), (3804, 167895), (4095, 155964), (4121, 154980), (4305, 148356), (4428, 144235), (4438, 143910), (4755, 134316), (4797, 133140), (4914, 129970), (5166, 123630), (5330, 119826), (5460, 116973), (5535, 115388), (5706, 111930), (5740, 111267), (6340, 100737), (6396, 99855), (6657, 95940), (7020, 90979), (7380, 86541), (7462, 85590), (7749, 82420), (7995, 79884), (8190, 77982), (8242, 77490), (8559, 74620), (8610, 74178), (8876, 71955), (9510, 67158), (9594, 66570), (9828, 64985), (10332, 61815), (10660, 59913), (11070, 57694), (11095, 57564), (11193, 57060), (11412, 55965), (12285, 51988), (12363, 51660), (12915, 49452), (12997, 49140), (13314, 47970), (14265, 44772), (14391, 44380), (14924, 42795), (15498, 41210), (15990, 39942), (16380, 38991), (16484, 38745), (17118, 37310), (17220, 37089), (18655, 34236), (19020, 33579), (19188, 33285), (19971, 31980), (20605, 30996), (22140, 28847), (22190, 28782), (22386, 28530), (23985, 26628), (24570, 25994), (24726, 25830)]