72748680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{937}}^1$

素因数の和:1598

約数の個数: 64

約数和(自身を含む): 218816640

約数和(自身を除く): 146067960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 937, 1294, 1874, 1941, 2588, 2811, 3235, 3748, 3882, 4685, 5176, 5622, 6470, 7496, 7764, 9370, 9705, 11244, 12940, 14055, 15528, 18740, 19410, 22488, 25880, 28110, 37480, 38820, 56220, 77640, 112440, 606239, 1212478, 1818717, 2424956, 3031195, 3637434, 4849912, 6062390, 7274868, 9093585, 12124780, 14549736, 18187170, 24249560, 36374340, 72748680]

約数ペア:

[(1, 72748680), (2, 36374340), (3, 24249560), (4, 18187170), (5, 14549736), (6, 12124780), (8, 9093585), (10, 7274868), (12, 6062390), (15, 4849912), (20, 3637434), (24, 3031195), (30, 2424956), (40, 1818717), (60, 1212478), (120, 606239), (647, 112440), (937, 77640), (1294, 56220), (1874, 38820), (1941, 37480), (2588, 28110), (2811, 25880), (3235, 22488), (3748, 19410), (3882, 18740), (4685, 15528), (5176, 14055), (5622, 12940), (6470, 11244), (7496, 9705), (7764, 9370)]