1855880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 4656960

約数和(自身を除く): 2801080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 83, 86, 104, 130, 166, 172, 215, 260, 332, 344, 415, 430, 520, 559, 664, 830, 860, 1079, 1118, 1660, 1720, 2158, 2236, 2795, 3320, 3569, 4316, 4472, 5395, 5590, 7138, 8632, 10790, 11180, 14276, 17845, 21580, 22360, 28552, 35690, 43160, 46397, 71380, 92794, 142760, 185588, 231985, 371176, 463970, 927940, 1855880]

約数ペア:

[(1, 1855880), (2, 927940), (4, 463970), (5, 371176), (8, 231985), (10, 185588), (13, 142760), (20, 92794), (26, 71380), (40, 46397), (43, 43160), (52, 35690), (65, 28552), (83, 22360), (86, 21580), (104, 17845), (130, 14276), (166, 11180), (172, 10790), (215, 8632), (260, 7138), (332, 5590), (344, 5395), (415, 4472), (430, 4316), (520, 3569), (559, 3320), (664, 2795), (830, 2236), (860, 2158), (1079, 1720), (1118, 1660)]