153216920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 367869600

約数和(自身を除く): 214652680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 1112, 1390, 1621, 2363, 2780, 3242, 4726, 5560, 6484, 8105, 9452, 11815, 12968, 16210, 18904, 23630, 27557, 32420, 47260, 55114, 64840, 94520, 110228, 137785, 220456, 225319, 275570, 450638, 551140, 901276, 1102280, 1126595, 1802552, 2253190, 3830423, 4506380, 7660846, 9012760, 15321692, 19152115, 30643384, 38304230, 76608460, 153216920]

約数ペア:

[(1, 153216920), (2, 76608460), (4, 38304230), (5, 30643384), (8, 19152115), (10, 15321692), (17, 9012760), (20, 7660846), (34, 4506380), (40, 3830423), (68, 2253190), (85, 1802552), (136, 1126595), (139, 1102280), (170, 901276), (278, 551140), (340, 450638), (556, 275570), (680, 225319), (695, 220456), (1112, 137785), (1390, 110228), (1621, 94520), (2363, 64840), (2780, 55114), (3242, 47260), (4726, 32420), (5560, 27557), (6484, 23630), (8105, 18904), (9452, 16210), (11815, 12968)]