821653320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{28649}}^1$

素因数の和:28902

約数の個数: 64

約数和(自身を含む): 2475360000

約数和(自身を除く): 1653706680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 9560, 14340, 28649, 28680, 57298, 85947, 114596, 143245, 171894, 229192, 286490, 343788, 429735, 572980, 687576, 859470, 1145960, 1718940, 3437880, 6847111, 13694222, 20541333, 27388444, 34235555, 41082666, 54776888, 68471110, 82165332, 102706665, 136942220, 164330664, 205413330, 273884440, 410826660, 821653320]

約数ペア:

[(1, 821653320), (2, 410826660), (3, 273884440), (4, 205413330), (5, 164330664), (6, 136942220), (8, 102706665), (10, 82165332), (12, 68471110), (15, 54776888), (20, 41082666), (24, 34235555), (30, 27388444), (40, 20541333), (60, 13694222), (120, 6847111), (239, 3437880), (478, 1718940), (717, 1145960), (956, 859470), (1195, 687576), (1434, 572980), (1912, 429735), (2390, 343788), (2868, 286490), (3585, 229192), (4780, 171894), (5736, 143245), (7170, 114596), (9560, 85947), (14340, 57298), (28649, 28680)]