168609880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{587}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 391184640

約数和(自身を除く): 222574760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 334, 344, 430, 587, 668, 835, 860, 1174, 1336, 1670, 1720, 2348, 2935, 3340, 4696, 5870, 6680, 7181, 11740, 14362, 23480, 25241, 28724, 35905, 50482, 57448, 71810, 98029, 100964, 126205, 143620, 196058, 201928, 252410, 287240, 392116, 490145, 504820, 784232, 980290, 1009640, 1960580, 3921160, 4215247, 8430494, 16860988, 21076235, 33721976, 42152470, 84304940, 168609880]

約数ペア:

[(1, 168609880), (2, 84304940), (4, 42152470), (5, 33721976), (8, 21076235), (10, 16860988), (20, 8430494), (40, 4215247), (43, 3921160), (86, 1960580), (167, 1009640), (172, 980290), (215, 784232), (334, 504820), (344, 490145), (430, 392116), (587, 287240), (668, 252410), (835, 201928), (860, 196058), (1174, 143620), (1336, 126205), (1670, 100964), (1720, 98029), (2348, 71810), (2935, 57448), (3340, 50482), (4696, 35905), (5870, 28724), (6680, 25241), (7181, 23480), (11740, 14362)]