72964120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 171072000

約数和(自身を除く): 98107880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 719, 860, 1180, 1438, 1720, 2360, 2537, 2876, 3595, 5074, 5752, 7190, 10148, 12685, 14380, 20296, 25370, 28760, 30917, 42421, 50740, 61834, 84842, 101480, 123668, 154585, 169684, 212105, 247336, 309170, 339368, 424210, 618340, 848420, 1236680, 1696840, 1824103, 3648206, 7296412, 9120515, 14592824, 18241030, 36482060, 72964120]

約数ペア:

[(1, 72964120), (2, 36482060), (4, 18241030), (5, 14592824), (8, 9120515), (10, 7296412), (20, 3648206), (40, 1824103), (43, 1696840), (59, 1236680), (86, 848420), (118, 618340), (172, 424210), (215, 339368), (236, 309170), (295, 247336), (344, 212105), (430, 169684), (472, 154585), (590, 123668), (719, 101480), (860, 84842), (1180, 61834), (1438, 50740), (1720, 42421), (2360, 30917), (2537, 28760), (2876, 25370), (3595, 20296), (5074, 14380), (5752, 12685), (7190, 10148)]