1636001520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{86287}}^1$

素因数の和:86382

約数の個数: 80

約数和(自身を含む): 5135861760

約数和(自身を除く): 3499860240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 86287, 172574, 258861, 345148, 431435, 517722, 690296, 862870, 1035444, 1294305, 1380592, 1725740, 2070888, 2588610, 3451480, 4141776, 5177220, 6816673, 6902960, 10354440, 13633346, 20450019, 20708880, 27266692, 34083365, 40900038, 54533384, 68166730, 81800076, 102250095, 109066768, 136333460, 163600152, 204500190, 272666920, 327200304, 409000380, 545333840, 818000760, 1636001520]

約数ペア:

[(1, 1636001520), (2, 818000760), (3, 545333840), (4, 409000380), (5, 327200304), (6, 272666920), (8, 204500190), (10, 163600152), (12, 136333460), (15, 109066768), (16, 102250095), (20, 81800076), (24, 68166730), (30, 54533384), (40, 40900038), (48, 34083365), (60, 27266692), (79, 20708880), (80, 20450019), (120, 13633346), (158, 10354440), (237, 6902960), (240, 6816673), (316, 5177220), (395, 4141776), (474, 3451480), (632, 2588610), (790, 2070888), (948, 1725740), (1185, 1380592), (1264, 1294305), (1580, 1035444), (1896, 862870), (2370, 690296), (3160, 517722), (3792, 431435), (4740, 345148), (6320, 258861), (9480, 172574), (18960, 86287)]