68728860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 219098880

約数和(自身を除く): 150370020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 109, 113, 124, 155, 180, 186, 218, 226, 279, 310, 327, 339, 372, 436, 452, 465, 545, 558, 565, 620, 654, 678, 930, 981, 1017, 1090, 1116, 1130, 1308, 1356, 1395, 1635, 1695, 1860, 1962, 2034, 2180, 2260, 2790, 3270, 3379, 3390, 3503, 3924, 4068, 4905, 5085, 5580, 6540, 6758, 6780, 7006, 9810, 10137, 10170, 10509, 12317, 13516, 14012, 16895, 17515, 19620, 20274, 20340, 21018, 24634, 30411, 31527, 33790, 35030, 36951, 40548, 42036, 49268, 50685, 52545, 60822, 61585, 63054, 67580, 70060, 73902, 101370, 105090, 110853, 121644, 123170, 126108, 147804, 152055, 157635, 184755, 202740, 210180, 221706, 246340, 304110, 315270, 369510, 381827, 443412, 554265, 608220, 630540, 739020, 763654, 1108530, 1145481, 1527308, 1909135, 2217060, 2290962, 3436443, 3818270, 4581924, 5727405, 6872886, 7636540, 11454810, 13745772, 17182215, 22909620, 34364430, 68728860]

約数ペア:

[(1, 68728860), (2, 34364430), (3, 22909620), (4, 17182215), (5, 13745772), (6, 11454810), (9, 7636540), (10, 6872886), (12, 5727405), (15, 4581924), (18, 3818270), (20, 3436443), (30, 2290962), (31, 2217060), (36, 1909135), (45, 1527308), (60, 1145481), (62, 1108530), (90, 763654), (93, 739020), (109, 630540), (113, 608220), (124, 554265), (155, 443412), (180, 381827), (186, 369510), (218, 315270), (226, 304110), (279, 246340), (310, 221706), (327, 210180), (339, 202740), (372, 184755), (436, 157635), (452, 152055), (465, 147804), (545, 126108), (558, 123170), (565, 121644), (620, 110853), (654, 105090), (678, 101370), (930, 73902), (981, 70060), (1017, 67580), (1090, 63054), (1116, 61585), (1130, 60822), (1308, 52545), (1356, 50685), (1395, 49268), (1635, 42036), (1695, 40548), (1860, 36951), (1962, 35030), (2034, 33790), (2180, 31527), (2260, 30411), (2790, 24634), (3270, 21018), (3379, 20340), (3390, 20274), (3503, 19620), (3924, 17515), (4068, 16895), (4905, 14012), (5085, 13516), (5580, 12317), (6540, 10509), (6758, 10170), (6780, 10137), (7006, 9810)]