1728640

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 4302360

約数和(自身を除く): 2573720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 73, 74, 80, 128, 146, 148, 160, 185, 292, 296, 320, 365, 370, 584, 592, 640, 730, 740, 1168, 1184, 1460, 1480, 2336, 2368, 2701, 2920, 2960, 4672, 4736, 5402, 5840, 5920, 9344, 10804, 11680, 11840, 13505, 21608, 23360, 23680, 27010, 43216, 46720, 54020, 86432, 108040, 172864, 216080, 345728, 432160, 864320, 1728640]

約数ペア:

[(1, 1728640), (2, 864320), (4, 432160), (5, 345728), (8, 216080), (10, 172864), (16, 108040), (20, 86432), (32, 54020), (37, 46720), (40, 43216), (64, 27010), (73, 23680), (74, 23360), (80, 21608), (128, 13505), (146, 11840), (148, 11680), (160, 10804), (185, 9344), (292, 5920), (296, 5840), (320, 5402), (365, 4736), (370, 4672), (584, 2960), (592, 2920), (640, 2701), (730, 2368), (740, 2336), (1168, 1480), (1184, 1460)]