16143560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 38430720

約数和(自身を除く): 22287160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 277, 310, 376, 470, 554, 620, 940, 1108, 1240, 1385, 1457, 1880, 2216, 2770, 2914, 5540, 5828, 7285, 8587, 11080, 11656, 13019, 14570, 17174, 26038, 29140, 34348, 42935, 52076, 58280, 65095, 68696, 85870, 104152, 130190, 171740, 260380, 343480, 403589, 520760, 807178, 1614356, 2017945, 3228712, 4035890, 8071780, 16143560]

約数ペア:

[(1, 16143560), (2, 8071780), (4, 4035890), (5, 3228712), (8, 2017945), (10, 1614356), (20, 807178), (31, 520760), (40, 403589), (47, 343480), (62, 260380), (94, 171740), (124, 130190), (155, 104152), (188, 85870), (235, 68696), (248, 65095), (277, 58280), (310, 52076), (376, 42935), (470, 34348), (554, 29140), (620, 26038), (940, 17174), (1108, 14570), (1240, 13019), (1385, 11656), (1457, 11080), (1880, 8587), (2216, 7285), (2770, 5828), (2914, 5540)]