72751560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 251147520

約数和(自身を除く): 178395960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 337, 420, 514, 674, 771, 840, 1011, 1028, 1285, 1348, 1542, 1685, 1799, 2022, 2056, 2359, 2570, 2696, 3084, 3370, 3598, 3855, 4044, 4718, 5055, 5140, 5397, 6168, 6740, 7077, 7196, 7710, 8088, 8995, 9436, 10110, 10280, 10794, 11795, 13480, 14154, 14392, 15420, 17990, 18872, 20220, 21588, 23590, 26985, 28308, 30840, 35385, 35980, 40440, 43176, 47180, 53970, 56616, 70770, 71960, 86609, 94360, 107940, 141540, 173218, 215880, 259827, 283080, 346436, 433045, 519654, 606263, 692872, 866090, 1039308, 1212526, 1299135, 1732180, 1818789, 2078616, 2425052, 2598270, 3031315, 3464360, 3637578, 4850104, 5196540, 6062630, 7275156, 9093945, 10393080, 12125260, 14550312, 18187890, 24250520, 36375780, 72751560]

約数ペア:

[(1, 72751560), (2, 36375780), (3, 24250520), (4, 18187890), (5, 14550312), (6, 12125260), (7, 10393080), (8, 9093945), (10, 7275156), (12, 6062630), (14, 5196540), (15, 4850104), (20, 3637578), (21, 3464360), (24, 3031315), (28, 2598270), (30, 2425052), (35, 2078616), (40, 1818789), (42, 1732180), (56, 1299135), (60, 1212526), (70, 1039308), (84, 866090), (105, 692872), (120, 606263), (140, 519654), (168, 433045), (210, 346436), (257, 283080), (280, 259827), (337, 215880), (420, 173218), (514, 141540), (674, 107940), (771, 94360), (840, 86609), (1011, 71960), (1028, 70770), (1285, 56616), (1348, 53970), (1542, 47180), (1685, 43176), (1799, 40440), (2022, 35980), (2056, 35385), (2359, 30840), (2570, 28308), (2696, 26985), (3084, 23590), (3370, 21588), (3598, 20220), (3855, 18872), (4044, 17990), (4718, 15420), (5055, 14392), (5140, 14154), (5397, 13480), (6168, 11795), (6740, 10794), (7077, 10280), (7196, 10110), (7710, 9436), (8088, 8995)]