28352880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:815

約数の個数: 120

約数和(自身を含む): 97145568

約数和(自身を除く): 68792688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 743, 795, 848, 954, 1060, 1272, 1486, 1590, 1908, 2120, 2229, 2385, 2544, 2972, 3180, 3715, 3816, 4240, 4458, 4770, 5944, 6360, 6687, 7430, 7632, 8916, 9540, 11145, 11888, 12720, 13374, 14860, 17832, 19080, 22290, 26748, 29720, 33435, 35664, 38160, 39379, 44580, 53496, 59440, 66870, 78758, 89160, 106992, 118137, 133740, 157516, 178320, 196895, 236274, 267480, 315032, 354411, 393790, 472548, 534960, 590685, 630064, 708822, 787580, 945096, 1181370, 1417644, 1575160, 1772055, 1890192, 2362740, 2835288, 3150320, 3544110, 4725480, 5670576, 7088220, 9450960, 14176440, 28352880]

約数ペア:

[(1, 28352880), (2, 14176440), (3, 9450960), (4, 7088220), (5, 5670576), (6, 4725480), (8, 3544110), (9, 3150320), (10, 2835288), (12, 2362740), (15, 1890192), (16, 1772055), (18, 1575160), (20, 1417644), (24, 1181370), (30, 945096), (36, 787580), (40, 708822), (45, 630064), (48, 590685), (53, 534960), (60, 472548), (72, 393790), (80, 354411), (90, 315032), (106, 267480), (120, 236274), (144, 196895), (159, 178320), (180, 157516), (212, 133740), (240, 118137), (265, 106992), (318, 89160), (360, 78758), (424, 66870), (477, 59440), (530, 53496), (636, 44580), (720, 39379), (743, 38160), (795, 35664), (848, 33435), (954, 29720), (1060, 26748), (1272, 22290), (1486, 19080), (1590, 17832), (1908, 14860), (2120, 13374), (2229, 12720), (2385, 11888), (2544, 11145), (2972, 9540), (3180, 8916), (3715, 7632), (3816, 7430), (4240, 6687), (4458, 6360), (4770, 5944)]