81147690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 237484800

約数和(自身を除く): 156337110

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 90, 117, 122, 130, 135, 183, 195, 234, 270, 305, 351, 366, 379, 390, 549, 585, 610, 702, 758, 793, 915, 1098, 1137, 1170, 1586, 1647, 1755, 1830, 1895, 2274, 2379, 2745, 3294, 3411, 3510, 3790, 3965, 4758, 4927, 5490, 5685, 6822, 7137, 7930, 8235, 9854, 10233, 11370, 11895, 14274, 14781, 16470, 17055, 20466, 21411, 23119, 23790, 24635, 29562, 34110, 35685, 42822, 44343, 46238, 49270, 51165, 69357, 71370, 73905, 88686, 102330, 107055, 115595, 133029, 138714, 147810, 208071, 214110, 221715, 231190, 266058, 300547, 346785, 416142, 443430, 601094, 624213, 665145, 693570, 901641, 1040355, 1248426, 1330290, 1502735, 1803282, 2080710, 2704923, 3005470, 3121065, 4508205, 5409846, 6242130, 8114769, 9016410, 13524615, 16229538, 27049230, 40573845, 81147690]

約数ペア:

[(1, 81147690), (2, 40573845), (3, 27049230), (5, 16229538), (6, 13524615), (9, 9016410), (10, 8114769), (13, 6242130), (15, 5409846), (18, 4508205), (26, 3121065), (27, 3005470), (30, 2704923), (39, 2080710), (45, 1803282), (54, 1502735), (61, 1330290), (65, 1248426), (78, 1040355), (90, 901641), (117, 693570), (122, 665145), (130, 624213), (135, 601094), (183, 443430), (195, 416142), (234, 346785), (270, 300547), (305, 266058), (351, 231190), (366, 221715), (379, 214110), (390, 208071), (549, 147810), (585, 138714), (610, 133029), (702, 115595), (758, 107055), (793, 102330), (915, 88686), (1098, 73905), (1137, 71370), (1170, 69357), (1586, 51165), (1647, 49270), (1755, 46238), (1830, 44343), (1895, 42822), (2274, 35685), (2379, 34110), (2745, 29562), (3294, 24635), (3411, 23790), (3510, 23119), (3790, 21411), (3965, 20466), (4758, 17055), (4927, 16470), (5490, 14781), (5685, 14274), (6822, 11895), (7137, 11370), (7930, 10233), (8235, 9854)]