43440640

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 62624000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 239, 256, 284, 320, 355, 478, 512, 568, 640, 710, 956, 1136, 1195, 1280, 1420, 1912, 2272, 2390, 2560, 2840, 3824, 4544, 4780, 5680, 7648, 9088, 9560, 11360, 15296, 16969, 18176, 19120, 22720, 30592, 33938, 36352, 38240, 45440, 61184, 67876, 76480, 84845, 90880, 122368, 135752, 152960, 169690, 181760, 271504, 305920, 339380, 543008, 611840, 678760, 1086016, 1357520, 2172032, 2715040, 4344064, 5430080, 8688128, 10860160, 21720320, 43440640]

約数ペア:

[(1, 43440640), (2, 21720320), (4, 10860160), (5, 8688128), (8, 5430080), (10, 4344064), (16, 2715040), (20, 2172032), (32, 1357520), (40, 1086016), (64, 678760), (71, 611840), (80, 543008), (128, 339380), (142, 305920), (160, 271504), (239, 181760), (256, 169690), (284, 152960), (320, 135752), (355, 122368), (478, 90880), (512, 84845), (568, 76480), (640, 67876), (710, 61184), (956, 45440), (1136, 38240), (1195, 36352), (1280, 33938), (1420, 30592), (1912, 22720), (2272, 19120), (2390, 18176), (2560, 16969), (2840, 15296), (3824, 11360), (4544, 9560), (4780, 9088), (5680, 7648)]