280567140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13633}}^1$

素因数の和:13666

約数の個数: 96

約数和(自身を含む): 916204800

約数和(自身を除く): 635637660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3430, 4116, 5145, 6860, 10290, 13633, 20580, 27266, 40899, 54532, 68165, 81798, 95431, 136330, 163596, 190862, 204495, 272660, 286293, 381724, 408990, 477155, 572586, 668017, 817980, 954310, 1145172, 1336034, 1431465, 1908620, 2004051, 2672068, 2862930, 3340085, 4008102, 4676119, 5725860, 6680170, 8016204, 9352238, 10020255, 13360340, 14028357, 18704476, 20040510, 23380595, 28056714, 40081020, 46761190, 56113428, 70141785, 93522380, 140283570, 280567140]

約数ペア:

[(1, 280567140), (2, 140283570), (3, 93522380), (4, 70141785), (5, 56113428), (6, 46761190), (7, 40081020), (10, 28056714), (12, 23380595), (14, 20040510), (15, 18704476), (20, 14028357), (21, 13360340), (28, 10020255), (30, 9352238), (35, 8016204), (42, 6680170), (49, 5725860), (60, 4676119), (70, 4008102), (84, 3340085), (98, 2862930), (105, 2672068), (140, 2004051), (147, 1908620), (196, 1431465), (210, 1336034), (245, 1145172), (294, 954310), (343, 817980), (420, 668017), (490, 572586), (588, 477155), (686, 408990), (735, 381724), (980, 286293), (1029, 272660), (1372, 204495), (1470, 190862), (1715, 163596), (2058, 136330), (2940, 95431), (3430, 81798), (4116, 68165), (5145, 54532), (6860, 40899), (10290, 27266), (13633, 20580)]