640062912

素因数分解:

$2^6\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77527}}^1$

素因数の和:77585

約数の個数: 56

約数和(自身を含む): 1732905856

約数和(自身を除く): 1092842944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 129, 172, 192, 258, 344, 516, 688, 1032, 1376, 2064, 2752, 4128, 8256, 77527, 155054, 232581, 310108, 465162, 620216, 930324, 1240432, 1860648, 2480864, 3333661, 3721296, 4961728, 6667322, 7442592, 10000983, 13334644, 14885184, 20001966, 26669288, 40003932, 53338576, 80007864, 106677152, 160015728, 213354304, 320031456, 640062912]

約数ペア:

[(1, 640062912), (2, 320031456), (3, 213354304), (4, 160015728), (6, 106677152), (8, 80007864), (12, 53338576), (16, 40003932), (24, 26669288), (32, 20001966), (43, 14885184), (48, 13334644), (64, 10000983), (86, 7442592), (96, 6667322), (129, 4961728), (172, 3721296), (192, 3333661), (258, 2480864), (344, 1860648), (516, 1240432), (688, 930324), (1032, 620216), (1376, 465162), (2064, 310108), (2752, 232581), (4128, 155054), (8256, 77527)]