16744840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 43660800

約数和(自身を除く): 26915960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 757, 790, 1106, 1514, 1580, 2212, 2765, 3028, 3160, 3785, 4424, 5299, 5530, 6056, 7570, 10598, 11060, 15140, 21196, 22120, 26495, 30280, 42392, 52990, 59803, 105980, 119606, 211960, 239212, 299015, 418621, 478424, 598030, 837242, 1196060, 1674484, 2093105, 2392120, 3348968, 4186210, 8372420, 16744840]

約数ペア:

[(1, 16744840), (2, 8372420), (4, 4186210), (5, 3348968), (7, 2392120), (8, 2093105), (10, 1674484), (14, 1196060), (20, 837242), (28, 598030), (35, 478424), (40, 418621), (56, 299015), (70, 239212), (79, 211960), (140, 119606), (158, 105980), (280, 59803), (316, 52990), (395, 42392), (553, 30280), (632, 26495), (757, 22120), (790, 21196), (1106, 15140), (1514, 11060), (1580, 10598), (2212, 7570), (2765, 6056), (3028, 5530), (3160, 5299), (3785, 4424)]