28089964560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16720217}}^1$

素因数の和:16720240

約数の個数: 80

約数和(自身を含む): 99518737536

約数和(自身を除く): 71428772976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 16720217, 33440434, 50160651, 66880868, 83601085, 100321302, 117041519, 133761736, 167202170, 200642604, 234083038, 250803255, 267523472, 334404340, 351124557, 401285208, 468166076, 501606510, 585207595, 668808680, 702249114, 802570416, 936332152, 1003213020, 1170415190, 1337617360, 1404498228, 1755622785, 1872664304, 2006426040, 2340830380, 2808996456, 3511245570, 4012852080, 4681660760, 5617992912, 7022491140, 9363321520, 14044982280, 28089964560]

約数ペア:

[(1, 28089964560), (2, 14044982280), (3, 9363321520), (4, 7022491140), (5, 5617992912), (6, 4681660760), (7, 4012852080), (8, 3511245570), (10, 2808996456), (12, 2340830380), (14, 2006426040), (15, 1872664304), (16, 1755622785), (20, 1404498228), (21, 1337617360), (24, 1170415190), (28, 1003213020), (30, 936332152), (35, 802570416), (40, 702249114), (42, 668808680), (48, 585207595), (56, 501606510), (60, 468166076), (70, 401285208), (80, 351124557), (84, 334404340), (105, 267523472), (112, 250803255), (120, 234083038), (140, 200642604), (168, 167202170), (210, 133761736), (240, 117041519), (280, 100321302), (336, 83601085), (420, 66880868), (560, 50160651), (840, 33440434), (1680, 16720217)]