66312880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 162337824

約数和(自身を除く): 96024944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 521, 592, 688, 740, 860, 1042, 1480, 1591, 1720, 2084, 2605, 2960, 3182, 3440, 4168, 5210, 6364, 7955, 8336, 10420, 12728, 15910, 19277, 20840, 22403, 25456, 31820, 38554, 41680, 44806, 63640, 77108, 89612, 96385, 112015, 127280, 154216, 179224, 192770, 224030, 308432, 358448, 385540, 448060, 771080, 828911, 896120, 1542160, 1657822, 1792240, 3315644, 4144555, 6631288, 8289110, 13262576, 16578220, 33156440, 66312880]

約数ペア:

[(1, 66312880), (2, 33156440), (4, 16578220), (5, 13262576), (8, 8289110), (10, 6631288), (16, 4144555), (20, 3315644), (37, 1792240), (40, 1657822), (43, 1542160), (74, 896120), (80, 828911), (86, 771080), (148, 448060), (172, 385540), (185, 358448), (215, 308432), (296, 224030), (344, 192770), (370, 179224), (430, 154216), (521, 127280), (592, 112015), (688, 96385), (740, 89612), (860, 77108), (1042, 63640), (1480, 44806), (1591, 41680), (1720, 38554), (2084, 31820), (2605, 25456), (2960, 22403), (3182, 20840), (3440, 19277), (4168, 15910), (5210, 12728), (6364, 10420), (7955, 8336)]