61158040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 149426640

約数和(自身を除く): 88268600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 43, 62, 74, 86, 124, 148, 155, 172, 185, 215, 248, 296, 310, 344, 370, 430, 620, 740, 860, 961, 1147, 1240, 1333, 1480, 1591, 1720, 1922, 2294, 2666, 3182, 3844, 4588, 4805, 5332, 5735, 6364, 6665, 7688, 7955, 9176, 9610, 10664, 11470, 12728, 13330, 15910, 19220, 22940, 26660, 31820, 35557, 38440, 41323, 45880, 49321, 53320, 63640, 71114, 82646, 98642, 142228, 165292, 177785, 197284, 206615, 246605, 284456, 330584, 355570, 394568, 413230, 493210, 711140, 826460, 986420, 1422280, 1528951, 1652920, 1972840, 3057902, 6115804, 7644755, 12231608, 15289510, 30579020, 61158040]

約数ペア:

[(1, 61158040), (2, 30579020), (4, 15289510), (5, 12231608), (8, 7644755), (10, 6115804), (20, 3057902), (31, 1972840), (37, 1652920), (40, 1528951), (43, 1422280), (62, 986420), (74, 826460), (86, 711140), (124, 493210), (148, 413230), (155, 394568), (172, 355570), (185, 330584), (215, 284456), (248, 246605), (296, 206615), (310, 197284), (344, 177785), (370, 165292), (430, 142228), (620, 98642), (740, 82646), (860, 71114), (961, 63640), (1147, 53320), (1240, 49321), (1333, 45880), (1480, 41323), (1591, 38440), (1720, 35557), (1922, 31820), (2294, 26660), (2666, 22940), (3182, 19220), (3844, 15910), (4588, 13330), (4805, 12728), (5332, 11470), (5735, 10664), (6364, 9610), (6665, 9176), (7688, 7955)]