280206960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9649}}^1$

素因数の和:9687

約数の個数: 120

約数和(自身を含む): 954886800

約数和(自身を除く): 674679840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2904, 3630, 4840, 5808, 7260, 9649, 9680, 14520, 19298, 28947, 29040, 38596, 48245, 57894, 77192, 96490, 106139, 115788, 144735, 154384, 192980, 212278, 231576, 289470, 318417, 385960, 424556, 463152, 530695, 578940, 636834, 771920, 849112, 1061390, 1157880, 1167529, 1273668, 1592085, 1698224, 2122780, 2315760, 2335058, 2547336, 3184170, 3502587, 4245560, 4670116, 5094672, 5837645, 6368340, 7005174, 8491120, 9340232, 11675290, 12736680, 14010348, 17512935, 18680464, 23350580, 25473360, 28020696, 35025870, 46701160, 56041392, 70051740, 93402320, 140103480, 280206960]

約数ペア:

[(1, 280206960), (2, 140103480), (3, 93402320), (4, 70051740), (5, 56041392), (6, 46701160), (8, 35025870), (10, 28020696), (11, 25473360), (12, 23350580), (15, 18680464), (16, 17512935), (20, 14010348), (22, 12736680), (24, 11675290), (30, 9340232), (33, 8491120), (40, 7005174), (44, 6368340), (48, 5837645), (55, 5094672), (60, 4670116), (66, 4245560), (80, 3502587), (88, 3184170), (110, 2547336), (120, 2335058), (121, 2315760), (132, 2122780), (165, 1698224), (176, 1592085), (220, 1273668), (240, 1167529), (242, 1157880), (264, 1061390), (330, 849112), (363, 771920), (440, 636834), (484, 578940), (528, 530695), (605, 463152), (660, 424556), (726, 385960), (880, 318417), (968, 289470), (1210, 231576), (1320, 212278), (1452, 192980), (1815, 154384), (1936, 144735), (2420, 115788), (2640, 106139), (2904, 96490), (3630, 77192), (4840, 57894), (5808, 48245), (7260, 38596), (9649, 29040), (9680, 28947), (14520, 19298)]