207842560

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2287}}^1$

素因数の和:2379

約数の個数: 72

約数和(自身を含む): 505080576

約数和(自身を除く): 297238016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2272, 2287, 2840, 4544, 4574, 5680, 9088, 9148, 11360, 11435, 18176, 18296, 22720, 22870, 36592, 45440, 45740, 73184, 90880, 91480, 146368, 162377, 182960, 292736, 324754, 365920, 585472, 649508, 731840, 811885, 1299016, 1463680, 1623770, 2598032, 2927360, 3247540, 5196064, 6495080, 10392128, 12990160, 20784256, 25980320, 41568512, 51960640, 103921280, 207842560]

約数ペア:

[(1, 207842560), (2, 103921280), (4, 51960640), (5, 41568512), (8, 25980320), (10, 20784256), (16, 12990160), (20, 10392128), (32, 6495080), (40, 5196064), (64, 3247540), (71, 2927360), (80, 2598032), (128, 1623770), (142, 1463680), (160, 1299016), (256, 811885), (284, 731840), (320, 649508), (355, 585472), (568, 365920), (640, 324754), (710, 292736), (1136, 182960), (1280, 162377), (1420, 146368), (2272, 91480), (2287, 90880), (2840, 73184), (4544, 45740), (4574, 45440), (5680, 36592), (9088, 22870), (9148, 22720), (11360, 18296), (11435, 18176)]