16539880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3146

約数の個数: 64

約数和(自身を含む): 44784000

約数和(自身を除く): 28244120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3109, 5320, 6218, 12436, 15545, 21763, 24872, 31090, 43526, 59071, 62180, 87052, 108815, 118142, 124360, 174104, 217630, 236284, 295355, 413497, 435260, 472568, 590710, 826994, 870520, 1181420, 1653988, 2067485, 2362840, 3307976, 4134970, 8269940, 16539880]

約数ペア:

[(1, 16539880), (2, 8269940), (4, 4134970), (5, 3307976), (7, 2362840), (8, 2067485), (10, 1653988), (14, 1181420), (19, 870520), (20, 826994), (28, 590710), (35, 472568), (38, 435260), (40, 413497), (56, 295355), (70, 236284), (76, 217630), (95, 174104), (133, 124360), (140, 118142), (152, 108815), (190, 87052), (266, 62180), (280, 59071), (380, 43526), (532, 31090), (665, 24872), (760, 21763), (1064, 15545), (1330, 12436), (2660, 6218), (3109, 5320)]