70820400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{8431}}^1$

素因数の和:8459

約数の個数: 120

約数和(自身を含む): 259300864

約数和(自身を除く): 188480464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 8431, 16862, 25293, 33724, 42155, 50586, 59017, 67448, 84310, 101172, 118034, 126465, 134896, 168620, 177051, 202344, 210775, 236068, 252930, 295085, 337240, 354102, 404688, 421550, 472136, 505860, 590170, 632325, 674480, 708204, 843100, 885255, 944272, 1011720, 1180340, 1264650, 1416408, 1475425, 1686200, 1770510, 2023440, 2360680, 2529300, 2832816, 2950850, 3372400, 3541020, 4426275, 4721360, 5058600, 5901700, 7082040, 8852550, 10117200, 11803400, 14164080, 17705100, 23606800, 35410200, 70820400]

約数ペア:

[(1, 70820400), (2, 35410200), (3, 23606800), (4, 17705100), (5, 14164080), (6, 11803400), (7, 10117200), (8, 8852550), (10, 7082040), (12, 5901700), (14, 5058600), (15, 4721360), (16, 4426275), (20, 3541020), (21, 3372400), (24, 2950850), (25, 2832816), (28, 2529300), (30, 2360680), (35, 2023440), (40, 1770510), (42, 1686200), (48, 1475425), (50, 1416408), (56, 1264650), (60, 1180340), (70, 1011720), (75, 944272), (80, 885255), (84, 843100), (100, 708204), (105, 674480), (112, 632325), (120, 590170), (140, 505860), (150, 472136), (168, 421550), (175, 404688), (200, 354102), (210, 337240), (240, 295085), (280, 252930), (300, 236068), (336, 210775), (350, 202344), (400, 177051), (420, 168620), (525, 134896), (560, 126465), (600, 118034), (700, 101172), (840, 84310), (1050, 67448), (1200, 59017), (1400, 50586), (1680, 42155), (2100, 33724), (2800, 25293), (4200, 16862), (8400, 8431)]