28183260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67103}}^1$

素因数の和:67122

約数の個数: 48

約数和(自身を含む): 90187776

約数和(自身を除く): 62004516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67103, 134206, 201309, 268412, 335515, 402618, 469721, 671030, 805236, 939442, 1006545, 1342060, 1409163, 1878884, 2013090, 2348605, 2818326, 4026180, 4697210, 5636652, 7045815, 9394420, 14091630, 28183260]

約数ペア:

[(1, 28183260), (2, 14091630), (3, 9394420), (4, 7045815), (5, 5636652), (6, 4697210), (7, 4026180), (10, 2818326), (12, 2348605), (14, 2013090), (15, 1878884), (20, 1409163), (21, 1342060), (28, 1006545), (30, 939442), (35, 805236), (42, 671030), (60, 469721), (70, 402618), (84, 335515), (105, 268412), (140, 201309), (210, 134206), (420, 67103)]