90255760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3992

約数の個数: 80

約数和(自身を含む): 245734272

約数和(自身を除く): 155478512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 3931, 4592, 5740, 7862, 11480, 15724, 19655, 22960, 27517, 31448, 39310, 55034, 62896, 78620, 110068, 137585, 157240, 161171, 220136, 275170, 314480, 322342, 440272, 550340, 644684, 805855, 1100680, 1128197, 1289368, 1611710, 2201360, 2256394, 2578736, 3223420, 4512788, 5640985, 6446840, 9025576, 11281970, 12893680, 18051152, 22563940, 45127880, 90255760]

約数ペア:

[(1, 90255760), (2, 45127880), (4, 22563940), (5, 18051152), (7, 12893680), (8, 11281970), (10, 9025576), (14, 6446840), (16, 5640985), (20, 4512788), (28, 3223420), (35, 2578736), (40, 2256394), (41, 2201360), (56, 1611710), (70, 1289368), (80, 1128197), (82, 1100680), (112, 805855), (140, 644684), (164, 550340), (205, 440272), (280, 322342), (287, 314480), (328, 275170), (410, 220136), (560, 161171), (574, 157240), (656, 137585), (820, 110068), (1148, 78620), (1435, 62896), (1640, 55034), (2296, 39310), (2870, 31448), (3280, 27517), (3931, 22960), (4592, 19655), (5740, 15724), (7862, 11480)]