28565520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2960

約数の個数: 80

約数和(自身を含む): 90744192

約数和(自身を除く): 62178672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 2903, 3280, 4920, 5806, 8709, 9840, 11612, 14515, 17418, 23224, 29030, 34836, 43545, 46448, 58060, 69672, 87090, 116120, 119023, 139344, 174180, 232240, 238046, 348360, 357069, 476092, 595115, 696720, 714138, 952184, 1190230, 1428276, 1785345, 1904368, 2380460, 2856552, 3570690, 4760920, 5713104, 7141380, 9521840, 14282760, 28565520]

約数ペア:

[(1, 28565520), (2, 14282760), (3, 9521840), (4, 7141380), (5, 5713104), (6, 4760920), (8, 3570690), (10, 2856552), (12, 2380460), (15, 1904368), (16, 1785345), (20, 1428276), (24, 1190230), (30, 952184), (40, 714138), (41, 696720), (48, 595115), (60, 476092), (80, 357069), (82, 348360), (120, 238046), (123, 232240), (164, 174180), (205, 139344), (240, 119023), (246, 116120), (328, 87090), (410, 69672), (492, 58060), (615, 46448), (656, 43545), (820, 34836), (984, 29030), (1230, 23224), (1640, 17418), (1968, 14515), (2460, 11612), (2903, 9840), (3280, 8709), (4920, 5806)]