69821720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{102679}}^1$

素因数の和:102707

約数の個数: 32

約数和(自身を含む): 166341600

約数和(自身を除く): 96519880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 102679, 205358, 410716, 513395, 821432, 1026790, 1745543, 2053580, 3491086, 4107160, 6982172, 8727715, 13964344, 17455430, 34910860, 69821720]

約数ペア:

[(1, 69821720), (2, 34910860), (4, 17455430), (5, 13964344), (8, 8727715), (10, 6982172), (17, 4107160), (20, 3491086), (34, 2053580), (40, 1745543), (68, 1026790), (85, 821432), (136, 513395), (170, 410716), (340, 205358), (680, 102679)]