1653262280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{6451}}^1$

素因数の和:6654

約数の個数: 64

約数和(自身を含む): 3832488000

約数和(自身を除く): 2179225720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 215, 298, 344, 430, 596, 745, 860, 1192, 1490, 1720, 2980, 5960, 6407, 6451, 12814, 12902, 25628, 25804, 32035, 32255, 51256, 51608, 64070, 64510, 128140, 129020, 256280, 258040, 277393, 554786, 961199, 1109572, 1386965, 1922398, 2219144, 2773930, 3844796, 4805995, 5547860, 7689592, 9611990, 11095720, 19223980, 38447960, 41331557, 82663114, 165326228, 206657785, 330652456, 413315570, 826631140, 1653262280]

約数ペア:

[(1, 1653262280), (2, 826631140), (4, 413315570), (5, 330652456), (8, 206657785), (10, 165326228), (20, 82663114), (40, 41331557), (43, 38447960), (86, 19223980), (149, 11095720), (172, 9611990), (215, 7689592), (298, 5547860), (344, 4805995), (430, 3844796), (596, 2773930), (745, 2219144), (860, 1922398), (1192, 1386965), (1490, 1109572), (1720, 961199), (2980, 554786), (5960, 277393), (6407, 258040), (6451, 256280), (12814, 129020), (12902, 128140), (25628, 64510), (25804, 64070), (32035, 51608), (32255, 51256)]