1121640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 3628800

約数和(自身を除く): 2507160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 719, 780, 1438, 1560, 2157, 2876, 3595, 4314, 5752, 7190, 8628, 9347, 10785, 14380, 17256, 18694, 21570, 28041, 28760, 37388, 43140, 46735, 56082, 74776, 86280, 93470, 112164, 140205, 186940, 224328, 280410, 373880, 560820, 1121640]

約数ペア:

[(1, 1121640), (2, 560820), (3, 373880), (4, 280410), (5, 224328), (6, 186940), (8, 140205), (10, 112164), (12, 93470), (13, 86280), (15, 74776), (20, 56082), (24, 46735), (26, 43140), (30, 37388), (39, 28760), (40, 28041), (52, 21570), (60, 18694), (65, 17256), (78, 14380), (104, 10785), (120, 9347), (130, 8628), (156, 7190), (195, 5752), (260, 4314), (312, 3595), (390, 2876), (520, 2157), (719, 1560), (780, 1438)]