28393680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16901}}^1$

素因数の和:16924

約数の個数: 80

約数和(自身を含む): 100600704

約数和(自身を除く): 72207024

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, 16901, 33802, 50703, 67604, 84505, 101406, 118307, 135208, 169010, 202812, 236614, 253515, 270416, 338020, 354921, 405624, 473228, 507030, 591535, 676040, 709842, 811248, 946456, 1014060, 1183070, 1352080, 1419684, 1774605, 1892912, 2028120, 2366140, 2839368, 3549210, 4056240, 4732280, 5678736, 7098420, 9464560, 14196840, 28393680]

約数ペア:

[(1, 28393680), (2, 14196840), (3, 9464560), (4, 7098420), (5, 5678736), (6, 4732280), (7, 4056240), (8, 3549210), (10, 2839368), (12, 2366140), (14, 2028120), (15, 1892912), (16, 1774605), (20, 1419684), (21, 1352080), (24, 1183070), (28, 1014060), (30, 946456), (35, 811248), (40, 709842), (42, 676040), (48, 591535), (56, 507030), (60, 473228), (70, 405624), (80, 354921), (84, 338020), (105, 270416), (112, 253515), (120, 236614), (140, 202812), (168, 169010), (210, 135208), (240, 118307), (280, 101406), (336, 84505), (420, 67604), (560, 50703), (840, 33802), (1680, 16901)]