172437720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15791}}^1$

素因数の和:15825

約数の個数: 128

約数和(自身を含む): 636733440

約数和(自身を除く): 464295720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 15791, 31582, 47373, 63164, 78955, 94746, 110537, 126328, 157910, 189492, 205283, 221074, 236865, 315820, 331611, 378984, 410566, 442148, 473730, 552685, 615849, 631640, 663222, 821132, 884296, 947460, 1026415, 1105370, 1231698, 1326444, 1436981, 1642264, 1658055, 1894920, 2052830, 2210740, 2463396, 2652888, 2873962, 3079245, 3316110, 4105660, 4310943, 4421480, 4926792, 5747924, 6158490, 6632220, 7184905, 8211320, 8621886, 11495848, 12316980, 13264440, 14369810, 17243772, 21554715, 24633960, 28739620, 34487544, 43109430, 57479240, 86218860, 172437720]

約数ペア:

[(1, 172437720), (2, 86218860), (3, 57479240), (4, 43109430), (5, 34487544), (6, 28739620), (7, 24633960), (8, 21554715), (10, 17243772), (12, 14369810), (13, 13264440), (14, 12316980), (15, 11495848), (20, 8621886), (21, 8211320), (24, 7184905), (26, 6632220), (28, 6158490), (30, 5747924), (35, 4926792), (39, 4421480), (40, 4310943), (42, 4105660), (52, 3316110), (56, 3079245), (60, 2873962), (65, 2652888), (70, 2463396), (78, 2210740), (84, 2052830), (91, 1894920), (104, 1658055), (105, 1642264), (120, 1436981), (130, 1326444), (140, 1231698), (156, 1105370), (168, 1026415), (182, 947460), (195, 884296), (210, 821132), (260, 663222), (273, 631640), (280, 615849), (312, 552685), (364, 473730), (390, 442148), (420, 410566), (455, 378984), (520, 331611), (546, 315820), (728, 236865), (780, 221074), (840, 205283), (910, 189492), (1092, 157910), (1365, 126328), (1560, 110537), (1820, 94746), (2184, 78955), (2730, 63164), (3640, 47373), (5460, 31582), (10920, 15791)]