71387080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1810

約数の個数: 64

約数和(自身を含む): 172957680

約数和(自身を除く): 101570600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 1721, 2074, 2440, 3442, 4148, 5185, 6884, 8296, 8605, 10370, 13768, 17210, 20740, 29257, 34420, 41480, 58514, 68840, 104981, 117028, 146285, 209962, 234056, 292570, 419924, 524905, 585140, 839848, 1049810, 1170280, 1784677, 2099620, 3569354, 4199240, 7138708, 8923385, 14277416, 17846770, 35693540, 71387080]

約数ペア:

[(1, 71387080), (2, 35693540), (4, 17846770), (5, 14277416), (8, 8923385), (10, 7138708), (17, 4199240), (20, 3569354), (34, 2099620), (40, 1784677), (61, 1170280), (68, 1049810), (85, 839848), (122, 585140), (136, 524905), (170, 419924), (244, 292570), (305, 234056), (340, 209962), (488, 146285), (610, 117028), (680, 104981), (1037, 68840), (1220, 58514), (1721, 41480), (2074, 34420), (2440, 29257), (3442, 20740), (4148, 17210), (5185, 13768), (6884, 10370), (8296, 8605)]