78389220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 192

約数和(自身を含む): 276595200

約数和(自身を除く): 198205980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 293, 294, 343, 364, 390, 420, 455, 490, 546, 586, 588, 637, 686, 735, 780, 879, 910, 980, 1029, 1092, 1172, 1274, 1365, 1372, 1465, 1470, 1715, 1758, 1820, 1911, 2051, 2058, 2548, 2730, 2930, 2940, 3185, 3430, 3516, 3809, 3822, 4102, 4116, 4395, 4459, 5145, 5460, 5860, 6153, 6370, 6860, 7618, 7644, 8204, 8790, 8918, 9555, 10255, 10290, 11427, 12306, 12740, 13377, 14357, 15236, 17580, 17836, 19045, 19110, 20510, 20580, 22295, 22854, 24612, 26663, 26754, 28714, 30765, 38090, 38220, 41020, 43071, 44590, 45708, 53326, 53508, 57135, 57428, 61530, 66885, 71785, 76180, 79989, 86142, 89180, 100499, 106652, 114270, 123060, 133315, 133770, 143570, 159978, 172284, 186641, 200998, 215355, 228540, 266630, 267540, 287140, 301497, 319956, 373282, 399945, 401996, 430710, 502495, 533260, 559923, 602994, 746564, 799890, 861420, 933205, 1004990, 1119846, 1205988, 1306487, 1507485, 1599780, 1866410, 2009980, 2239692, 2612974, 2799615, 3014970, 3732820, 3919461, 5225948, 5599230, 6029940, 6532435, 7838922, 11198460, 13064870, 15677844, 19597305, 26129740, 39194610, 78389220]

約数ペア:

[(1, 78389220), (2, 39194610), (3, 26129740), (4, 19597305), (5, 15677844), (6, 13064870), (7, 11198460), (10, 7838922), (12, 6532435), (13, 6029940), (14, 5599230), (15, 5225948), (20, 3919461), (21, 3732820), (26, 3014970), (28, 2799615), (30, 2612974), (35, 2239692), (39, 2009980), (42, 1866410), (49, 1599780), (52, 1507485), (60, 1306487), (65, 1205988), (70, 1119846), (78, 1004990), (84, 933205), (91, 861420), (98, 799890), (105, 746564), (130, 602994), (140, 559923), (147, 533260), (156, 502495), (182, 430710), (195, 401996), (196, 399945), (210, 373282), (245, 319956), (260, 301497), (273, 287140), (293, 267540), (294, 266630), (343, 228540), (364, 215355), (390, 200998), (420, 186641), (455, 172284), (490, 159978), (546, 143570), (586, 133770), (588, 133315), (637, 123060), (686, 114270), (735, 106652), (780, 100499), (879, 89180), (910, 86142), (980, 79989), (1029, 76180), (1092, 71785), (1172, 66885), (1274, 61530), (1365, 57428), (1372, 57135), (1465, 53508), (1470, 53326), (1715, 45708), (1758, 44590), (1820, 43071), (1911, 41020), (2051, 38220), (2058, 38090), (2548, 30765), (2730, 28714), (2930, 26754), (2940, 26663), (3185, 24612), (3430, 22854), (3516, 22295), (3809, 20580), (3822, 20510), (4102, 19110), (4116, 19045), (4395, 17836), (4459, 17580), (5145, 15236), (5460, 14357), (5860, 13377), (6153, 12740), (6370, 12306), (6860, 11427), (7618, 10290), (7644, 10255), (8204, 9555), (8790, 8918)]