68412520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1747}}^1$

素因数の和:1858

約数の個数: 64

約数和(自身を含む): 169905600

約数和(自身を除く): 101493080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1747, 1780, 1958, 3494, 3560, 3916, 4895, 6988, 7832, 8735, 9790, 13976, 17470, 19217, 19580, 34940, 38434, 39160, 69880, 76868, 96085, 153736, 155483, 192170, 310966, 384340, 621932, 768680, 777415, 1243864, 1554830, 1710313, 3109660, 3420626, 6219320, 6841252, 8551565, 13682504, 17103130, 34206260, 68412520]

約数ペア:

[(1, 68412520), (2, 34206260), (4, 17103130), (5, 13682504), (8, 8551565), (10, 6841252), (11, 6219320), (20, 3420626), (22, 3109660), (40, 1710313), (44, 1554830), (55, 1243864), (88, 777415), (89, 768680), (110, 621932), (178, 384340), (220, 310966), (356, 192170), (440, 155483), (445, 153736), (712, 96085), (890, 76868), (979, 69880), (1747, 39160), (1780, 38434), (1958, 34940), (3494, 19580), (3560, 19217), (3916, 17470), (4895, 13976), (6988, 9790), (7832, 8735)]