68004080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 172917504

約数和(自身を除く): 104913424

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 1613, 2108, 2480, 2635, 3226, 4216, 5270, 6452, 8065, 8432, 10540, 12904, 16130, 21080, 25808, 27421, 32260, 42160, 50003, 54842, 64520, 100006, 109684, 129040, 137105, 200012, 219368, 250015, 274210, 400024, 438736, 500030, 548420, 800048, 850051, 1000060, 1096840, 1700102, 2000120, 2193680, 3400204, 4000240, 4250255, 6800408, 8500510, 13600816, 17001020, 34002040, 68004080]

約数ペア:

[(1, 68004080), (2, 34002040), (4, 17001020), (5, 13600816), (8, 8500510), (10, 6800408), (16, 4250255), (17, 4000240), (20, 3400204), (31, 2193680), (34, 2000120), (40, 1700102), (62, 1096840), (68, 1000060), (80, 850051), (85, 800048), (124, 548420), (136, 500030), (155, 438736), (170, 400024), (248, 274210), (272, 250015), (310, 219368), (340, 200012), (496, 137105), (527, 129040), (620, 109684), (680, 100006), (1054, 64520), (1240, 54842), (1360, 50003), (1613, 42160), (2108, 32260), (2480, 27421), (2635, 25808), (3226, 21080), (4216, 16130), (5270, 12904), (6452, 10540), (8065, 8432)]