56807960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 148055040

約数和(自身を除く): 91247080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 47, 55, 67, 82, 88, 94, 110, 134, 164, 188, 205, 220, 235, 268, 328, 335, 376, 410, 440, 451, 470, 517, 536, 670, 737, 820, 902, 940, 1034, 1340, 1474, 1640, 1804, 1880, 1927, 2068, 2255, 2585, 2680, 2747, 2948, 3149, 3608, 3685, 3854, 4136, 4510, 5170, 5494, 5896, 6298, 7370, 7708, 9020, 9635, 10340, 10988, 12596, 13735, 14740, 15416, 15745, 18040, 19270, 20680, 21197, 21976, 25192, 27470, 29480, 30217, 31490, 34639, 38540, 42394, 54940, 60434, 62980, 69278, 77080, 84788, 105985, 109880, 120868, 125960, 129109, 138556, 151085, 169576, 173195, 211970, 241736, 258218, 277112, 302170, 346390, 423940, 516436, 604340, 645545, 692780, 847880, 1032872, 1208680, 1291090, 1385560, 1420199, 2582180, 2840398, 5164360, 5680796, 7100995, 11361592, 14201990, 28403980, 56807960]

約数ペア:

[(1, 56807960), (2, 28403980), (4, 14201990), (5, 11361592), (8, 7100995), (10, 5680796), (11, 5164360), (20, 2840398), (22, 2582180), (40, 1420199), (41, 1385560), (44, 1291090), (47, 1208680), (55, 1032872), (67, 847880), (82, 692780), (88, 645545), (94, 604340), (110, 516436), (134, 423940), (164, 346390), (188, 302170), (205, 277112), (220, 258218), (235, 241736), (268, 211970), (328, 173195), (335, 169576), (376, 151085), (410, 138556), (440, 129109), (451, 125960), (470, 120868), (517, 109880), (536, 105985), (670, 84788), (737, 77080), (820, 69278), (902, 62980), (940, 60434), (1034, 54940), (1340, 42394), (1474, 38540), (1640, 34639), (1804, 31490), (1880, 30217), (1927, 29480), (2068, 27470), (2255, 25192), (2585, 21976), (2680, 21197), (2747, 20680), (2948, 19270), (3149, 18040), (3608, 15745), (3685, 15416), (3854, 14740), (4136, 13735), (4510, 12596), (5170, 10988), (5494, 10340), (5896, 9635), (6298, 9020), (7370, 7708)]