271460800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 168

約数和(自身を含む): 744313472

約数和(自身を除く): 472852672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 320, 325, 400, 403, 416, 421, 496, 520, 620, 650, 775, 800, 806, 832, 842, 992, 1040, 1240, 1300, 1550, 1600, 1612, 1684, 1984, 2015, 2080, 2105, 2480, 2600, 3100, 3224, 3368, 4030, 4160, 4210, 4960, 5200, 5473, 6200, 6448, 6736, 8060, 8420, 9920, 10075, 10400, 10525, 10946, 12400, 12896, 13051, 13472, 16120, 16840, 20150, 20800, 21050, 21892, 24800, 25792, 26102, 26944, 27365, 32240, 33680, 40300, 42100, 43784, 49600, 52204, 54730, 64480, 65255, 67360, 80600, 84200, 87568, 104408, 109460, 128960, 130510, 134720, 136825, 161200, 168400, 169663, 175136, 208816, 218920, 261020, 273650, 322400, 326275, 336800, 339326, 350272, 417632, 437840, 522040, 547300, 644800, 652550, 673600, 678652, 835264, 848315, 875680, 1044080, 1094600, 1305100, 1357304, 1696630, 1751360, 2088160, 2189200, 2610200, 2714608, 3393260, 4176320, 4241575, 4378400, 5220400, 5429216, 6786520, 8483150, 8756800, 10440800, 10858432, 13573040, 16966300, 20881600, 27146080, 33932600, 54292160, 67865200, 135730400, 271460800]

約数ペア:

[(1, 271460800), (2, 135730400), (4, 67865200), (5, 54292160), (8, 33932600), (10, 27146080), (13, 20881600), (16, 16966300), (20, 13573040), (25, 10858432), (26, 10440800), (31, 8756800), (32, 8483150), (40, 6786520), (50, 5429216), (52, 5220400), (62, 4378400), (64, 4241575), (65, 4176320), (80, 3393260), (100, 2714608), (104, 2610200), (124, 2189200), (130, 2088160), (155, 1751360), (160, 1696630), (200, 1357304), (208, 1305100), (248, 1094600), (260, 1044080), (310, 875680), (320, 848315), (325, 835264), (400, 678652), (403, 673600), (416, 652550), (421, 644800), (496, 547300), (520, 522040), (620, 437840), (650, 417632), (775, 350272), (800, 339326), (806, 336800), (832, 326275), (842, 322400), (992, 273650), (1040, 261020), (1240, 218920), (1300, 208816), (1550, 175136), (1600, 169663), (1612, 168400), (1684, 161200), (1984, 136825), (2015, 134720), (2080, 130510), (2105, 128960), (2480, 109460), (2600, 104408), (3100, 87568), (3224, 84200), (3368, 80600), (4030, 67360), (4160, 65255), (4210, 64480), (4960, 54730), (5200, 52204), (5473, 49600), (6200, 43784), (6448, 42100), (6736, 40300), (8060, 33680), (8420, 32240), (9920, 27365), (10075, 26944), (10400, 26102), (10525, 25792), (10946, 24800), (12400, 21892), (12896, 21050), (13051, 20800), (13472, 20150), (16120, 16840)]