208721520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41413}}^1$

素因数の和:41439

約数の個数: 120

約数和(自身を含む): 801112416

約数和(自身を除く): 592390896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 41413, 82826, 124239, 165652, 207065, 248478, 289891, 331304, 372717, 414130, 496956, 579782, 621195, 662608, 745434, 828260, 869673, 993912, 1159564, 1242390, 1449455, 1490868, 1656520, 1739346, 1863585, 1987824, 2319128, 2484780, 2609019, 2898910, 2981736, 3313040, 3478692, 3727170, 4348365, 4638256, 4969560, 5218038, 5797820, 5963472, 6957384, 7454340, 8696730, 9939120, 10436076, 11595640, 13045095, 13914768, 14908680, 17393460, 20872152, 23191280, 26090190, 29817360, 34786920, 41744304, 52180380, 69573840, 104360760, 208721520]

約数ペア:

[(1, 208721520), (2, 104360760), (3, 69573840), (4, 52180380), (5, 41744304), (6, 34786920), (7, 29817360), (8, 26090190), (9, 23191280), (10, 20872152), (12, 17393460), (14, 14908680), (15, 13914768), (16, 13045095), (18, 11595640), (20, 10436076), (21, 9939120), (24, 8696730), (28, 7454340), (30, 6957384), (35, 5963472), (36, 5797820), (40, 5218038), (42, 4969560), (45, 4638256), (48, 4348365), (56, 3727170), (60, 3478692), (63, 3313040), (70, 2981736), (72, 2898910), (80, 2609019), (84, 2484780), (90, 2319128), (105, 1987824), (112, 1863585), (120, 1739346), (126, 1656520), (140, 1490868), (144, 1449455), (168, 1242390), (180, 1159564), (210, 993912), (240, 869673), (252, 828260), (280, 745434), (315, 662608), (336, 621195), (360, 579782), (420, 496956), (504, 414130), (560, 372717), (630, 331304), (720, 289891), (840, 248478), (1008, 207065), (1260, 165652), (1680, 124239), (2520, 82826), (5040, 41413)]