28124880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16741}}^1$

素因数の和:16764

約数の個数: 80

約数和(自身を含む): 99648384

約数和(自身を除く): 71523504

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, 16741, 33482, 50223, 66964, 83705, 100446, 117187, 133928, 167410, 200892, 234374, 251115, 267856, 334820, 351561, 401784, 468748, 502230, 585935, 669640, 703122, 803568, 937496, 1004460, 1171870, 1339280, 1406244, 1757805, 1874992, 2008920, 2343740, 2812488, 3515610, 4017840, 4687480, 5624976, 7031220, 9374960, 14062440, 28124880]

約数ペア:

[(1, 28124880), (2, 14062440), (3, 9374960), (4, 7031220), (5, 5624976), (6, 4687480), (7, 4017840), (8, 3515610), (10, 2812488), (12, 2343740), (14, 2008920), (15, 1874992), (16, 1757805), (20, 1406244), (21, 1339280), (24, 1171870), (28, 1004460), (30, 937496), (35, 803568), (40, 703122), (42, 669640), (48, 585935), (56, 502230), (60, 468748), (70, 401784), (80, 351561), (84, 334820), (105, 267856), (112, 251115), (120, 234374), (140, 200892), (168, 167410), (210, 133928), (240, 117187), (280, 100446), (336, 83705), (420, 66964), (560, 50223), (840, 33482), (1680, 16741)]