7906860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 26906880

約数和(自身を除く): 19000020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 109, 117, 124, 130, 155, 156, 180, 186, 195, 218, 234, 260, 279, 310, 327, 372, 390, 403, 436, 465, 468, 545, 558, 585, 620, 654, 780, 806, 930, 981, 1090, 1116, 1170, 1209, 1308, 1395, 1417, 1612, 1635, 1860, 1962, 2015, 2180, 2340, 2418, 2790, 2834, 3270, 3379, 3627, 3924, 4030, 4251, 4836, 4905, 5580, 5668, 6045, 6540, 6758, 7085, 7254, 8060, 8502, 9810, 10137, 12090, 12753, 13516, 14170, 14508, 16895, 17004, 18135, 19620, 20274, 21255, 24180, 25506, 28340, 30411, 33790, 36270, 40548, 42510, 43927, 50685, 51012, 60822, 63765, 67580, 72540, 85020, 87854, 101370, 121644, 127530, 131781, 152055, 175708, 202740, 219635, 255060, 263562, 304110, 395343, 439270, 527124, 608220, 658905, 790686, 878540, 1317810, 1581372, 1976715, 2635620, 3953430, 7906860]

約数ペア:

[(1, 7906860), (2, 3953430), (3, 2635620), (4, 1976715), (5, 1581372), (6, 1317810), (9, 878540), (10, 790686), (12, 658905), (13, 608220), (15, 527124), (18, 439270), (20, 395343), (26, 304110), (30, 263562), (31, 255060), (36, 219635), (39, 202740), (45, 175708), (52, 152055), (60, 131781), (62, 127530), (65, 121644), (78, 101370), (90, 87854), (93, 85020), (109, 72540), (117, 67580), (124, 63765), (130, 60822), (155, 51012), (156, 50685), (180, 43927), (186, 42510), (195, 40548), (218, 36270), (234, 33790), (260, 30411), (279, 28340), (310, 25506), (327, 24180), (372, 21255), (390, 20274), (403, 19620), (436, 18135), (465, 17004), (468, 16895), (545, 14508), (558, 14170), (585, 13516), (620, 12753), (654, 12090), (780, 10137), (806, 9810), (930, 8502), (981, 8060), (1090, 7254), (1116, 7085), (1170, 6758), (1209, 6540), (1308, 6045), (1395, 5668), (1417, 5580), (1612, 4905), (1635, 4836), (1860, 4251), (1962, 4030), (2015, 3924), (2180, 3627), (2340, 3379), (2418, 3270), (2790, 2834)]