64740240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89917}}^1$

素因数の和:89936

約数の個数: 60

約数和(自身を含む): 217421724

約数和(自身を除く): 152681484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 89917, 179834, 269751, 359668, 449585, 539502, 719336, 809253, 899170, 1079004, 1348755, 1438672, 1618506, 1798340, 2158008, 2697510, 3237012, 3596680, 4046265, 4316016, 5395020, 6474024, 7193360, 8092530, 10790040, 12948048, 16185060, 21580080, 32370120, 64740240]

約数ペア:

[(1, 64740240), (2, 32370120), (3, 21580080), (4, 16185060), (5, 12948048), (6, 10790040), (8, 8092530), (9, 7193360), (10, 6474024), (12, 5395020), (15, 4316016), (16, 4046265), (18, 3596680), (20, 3237012), (24, 2697510), (30, 2158008), (36, 1798340), (40, 1618506), (45, 1438672), (48, 1348755), (60, 1079004), (72, 899170), (80, 809253), (90, 719336), (120, 539502), (144, 449585), (180, 359668), (240, 269751), (360, 179834), (720, 89917)]