642567840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70457}}^1$

素因数の和:70494

約数の個数: 96

約数和(自身を含む): 2130649920

約数和(自身を除く): 1488082080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 9120, 70457, 140914, 211371, 281828, 352285, 422742, 563656, 704570, 845484, 1056855, 1127312, 1338683, 1409140, 1690968, 2113710, 2254624, 2677366, 2818280, 3381936, 4016049, 4227420, 5354732, 5636560, 6693415, 6763872, 8032098, 8454840, 10709464, 11273120, 13386830, 16064196, 16909680, 20080245, 21418928, 26773660, 32128392, 33819360, 40160490, 42837856, 53547320, 64256784, 80320980, 107094640, 128513568, 160641960, 214189280, 321283920, 642567840]

約数ペア:

[(1, 642567840), (2, 321283920), (3, 214189280), (4, 160641960), (5, 128513568), (6, 107094640), (8, 80320980), (10, 64256784), (12, 53547320), (15, 42837856), (16, 40160490), (19, 33819360), (20, 32128392), (24, 26773660), (30, 21418928), (32, 20080245), (38, 16909680), (40, 16064196), (48, 13386830), (57, 11273120), (60, 10709464), (76, 8454840), (80, 8032098), (95, 6763872), (96, 6693415), (114, 5636560), (120, 5354732), (152, 4227420), (160, 4016049), (190, 3381936), (228, 2818280), (240, 2677366), (285, 2254624), (304, 2113710), (380, 1690968), (456, 1409140), (480, 1338683), (570, 1127312), (608, 1056855), (760, 845484), (912, 704570), (1140, 563656), (1520, 422742), (1824, 352285), (2280, 281828), (3040, 211371), (4560, 140914), (9120, 70457)]