25379820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 83472480

約数和(自身を除く): 58092660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 181, 190, 205, 228, 246, 285, 342, 362, 369, 380, 410, 492, 543, 570, 615, 684, 724, 738, 779, 820, 855, 905, 1086, 1140, 1230, 1476, 1558, 1629, 1710, 1810, 1845, 2172, 2337, 2460, 2715, 3116, 3258, 3420, 3439, 3620, 3690, 3895, 4674, 5430, 6516, 6878, 7011, 7380, 7421, 7790, 8145, 9348, 10317, 10860, 11685, 13756, 14022, 14842, 15580, 16290, 17195, 20634, 22263, 23370, 28044, 29684, 30951, 32580, 34390, 35055, 37105, 41268, 44526, 46740, 51585, 61902, 66789, 68780, 70110, 74210, 89052, 103170, 111315, 123804, 133578, 140220, 140999, 148420, 154755, 206340, 222630, 267156, 281998, 309510, 333945, 422997, 445260, 563996, 619020, 667890, 704995, 845994, 1268991, 1335780, 1409990, 1691988, 2114985, 2537982, 2819980, 4229970, 5075964, 6344955, 8459940, 12689910, 25379820]

約数ペア:

[(1, 25379820), (2, 12689910), (3, 8459940), (4, 6344955), (5, 5075964), (6, 4229970), (9, 2819980), (10, 2537982), (12, 2114985), (15, 1691988), (18, 1409990), (19, 1335780), (20, 1268991), (30, 845994), (36, 704995), (38, 667890), (41, 619020), (45, 563996), (57, 445260), (60, 422997), (76, 333945), (82, 309510), (90, 281998), (95, 267156), (114, 222630), (123, 206340), (164, 154755), (171, 148420), (180, 140999), (181, 140220), (190, 133578), (205, 123804), (228, 111315), (246, 103170), (285, 89052), (342, 74210), (362, 70110), (369, 68780), (380, 66789), (410, 61902), (492, 51585), (543, 46740), (570, 44526), (615, 41268), (684, 37105), (724, 35055), (738, 34390), (779, 32580), (820, 30951), (855, 29684), (905, 28044), (1086, 23370), (1140, 22263), (1230, 20634), (1476, 17195), (1558, 16290), (1629, 15580), (1710, 14842), (1810, 14022), (1845, 13756), (2172, 11685), (2337, 10860), (2460, 10317), (2715, 9348), (3116, 8145), (3258, 7790), (3420, 7421), (3439, 7380), (3620, 7011), (3690, 6878), (3895, 6516), (4674, 5430)]