280710780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3463}}^1$

素因数の和:3675

約数の個数: 96

約数和(自身を含む): 903189504

約数和(自身を除く): 622478724

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, 193, 210, 386, 420, 579, 772, 965, 1158, 1351, 1930, 2316, 2702, 2895, 3463, 3860, 4053, 5404, 5790, 6755, 6926, 8106, 10389, 11580, 13510, 13852, 16212, 17315, 20265, 20778, 24241, 27020, 34630, 40530, 41556, 48482, 51945, 69260, 72723, 81060, 96964, 103890, 121205, 145446, 207780, 242410, 290892, 363615, 484820, 668359, 727230, 1336718, 1454460, 2005077, 2673436, 3341795, 4010154, 4678513, 6683590, 8020308, 9357026, 10025385, 13367180, 14035539, 18714052, 20050770, 23392565, 28071078, 40101540, 46785130, 56142156, 70177695, 93570260, 140355390, 280710780]

約数ペア:

[(1, 280710780), (2, 140355390), (3, 93570260), (4, 70177695), (5, 56142156), (6, 46785130), (7, 40101540), (10, 28071078), (12, 23392565), (14, 20050770), (15, 18714052), (20, 14035539), (21, 13367180), (28, 10025385), (30, 9357026), (35, 8020308), (42, 6683590), (60, 4678513), (70, 4010154), (84, 3341795), (105, 2673436), (140, 2005077), (193, 1454460), (210, 1336718), (386, 727230), (420, 668359), (579, 484820), (772, 363615), (965, 290892), (1158, 242410), (1351, 207780), (1930, 145446), (2316, 121205), (2702, 103890), (2895, 96964), (3463, 81060), (3860, 72723), (4053, 69260), (5404, 51945), (5790, 48482), (6755, 41556), (6926, 40530), (8106, 34630), (10389, 27020), (11580, 24241), (13510, 20778), (13852, 20265), (16212, 17315)]