28104720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16729}}^1$

素因数の和:16752

約数の個数: 80

約数和(自身を含む): 99576960

約数和(自身を除く): 71472240

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, 16729, 33458, 50187, 66916, 83645, 100374, 117103, 133832, 167290, 200748, 234206, 250935, 267664, 334580, 351309, 401496, 468412, 501870, 585515, 669160, 702618, 802992, 936824, 1003740, 1171030, 1338320, 1405236, 1756545, 1873648, 2007480, 2342060, 2810472, 3513090, 4014960, 4684120, 5620944, 7026180, 9368240, 14052360, 28104720]

約数ペア:

[(1, 28104720), (2, 14052360), (3, 9368240), (4, 7026180), (5, 5620944), (6, 4684120), (7, 4014960), (8, 3513090), (10, 2810472), (12, 2342060), (14, 2007480), (15, 1873648), (16, 1756545), (20, 1405236), (21, 1338320), (24, 1171030), (28, 1003740), (30, 936824), (35, 802992), (40, 702618), (42, 669160), (48, 585515), (56, 501870), (60, 468412), (70, 401496), (80, 351309), (84, 334580), (105, 267664), (112, 250935), (120, 234206), (140, 200748), (168, 167290), (210, 133832), (240, 117103), (280, 100374), (336, 83645), (420, 66916), (560, 50187), (840, 33458), (1680, 16729)]