31393702980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{47381}}^1$

素因数の和:47811

約数の個数: 120

約数和(自身を含む): 98726082840

約数和(自身を除く): 67332379860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 409, 540, 810, 818, 1227, 1620, 1636, 2045, 2454, 3681, 4090, 4908, 6135, 7362, 8180, 11043, 12270, 14724, 18405, 22086, 24540, 33129, 36810, 44172, 47381, 55215, 66258, 73620, 94762, 110430, 132516, 142143, 165645, 189524, 220860, 236905, 284286, 331290, 426429, 473810, 568572, 662580, 710715, 852858, 947620, 1279287, 1421430, 1705716, 2132145, 2558574, 2842860, 3837861, 4264290, 5117148, 6396435, 7675722, 8528580, 12792870, 15351444, 19189305, 19378829, 25585740, 38378610, 38757658, 58136487, 76757220, 77515316, 96894145, 116272974, 174409461, 193788290, 232545948, 290682435, 348818922, 387576580, 523228383, 581364870, 697637844, 872047305, 1046456766, 1162729740, 1569685149, 1744094610, 2092913532, 2616141915, 3139370298, 3488189220, 5232283830, 6278740596, 7848425745, 10464567660, 15696851490, 31393702980]

約数ペア:

[(1, 31393702980), (2, 15696851490), (3, 10464567660), (4, 7848425745), (5, 6278740596), (6, 5232283830), (9, 3488189220), (10, 3139370298), (12, 2616141915), (15, 2092913532), (18, 1744094610), (20, 1569685149), (27, 1162729740), (30, 1046456766), (36, 872047305), (45, 697637844), (54, 581364870), (60, 523228383), (81, 387576580), (90, 348818922), (108, 290682435), (135, 232545948), (162, 193788290), (180, 174409461), (270, 116272974), (324, 96894145), (405, 77515316), (409, 76757220), (540, 58136487), (810, 38757658), (818, 38378610), (1227, 25585740), (1620, 19378829), (1636, 19189305), (2045, 15351444), (2454, 12792870), (3681, 8528580), (4090, 7675722), (4908, 6396435), (6135, 5117148), (7362, 4264290), (8180, 3837861), (11043, 2842860), (12270, 2558574), (14724, 2132145), (18405, 1705716), (22086, 1421430), (24540, 1279287), (33129, 947620), (36810, 852858), (44172, 710715), (47381, 662580), (55215, 568572), (66258, 473810), (73620, 426429), (94762, 331290), (110430, 284286), (132516, 236905), (142143, 220860), (165645, 189524)]