51212280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1549

約数の個数: 128

約数和(自身を含む): 179988480

約数和(自身を除く): 128776200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1487, 1640, 1722, 2296, 2460, 2870, 2974, 3444, 4305, 4461, 4920, 5740, 5948, 6888, 7435, 8610, 8922, 10409, 11480, 11896, 14870, 17220, 17844, 20818, 22305, 29740, 31227, 34440, 35688, 41636, 44610, 52045, 59480, 60967, 62454, 83272, 89220, 104090, 121934, 124908, 156135, 178440, 182901, 208180, 243868, 249816, 304835, 312270, 365802, 416360, 426769, 487736, 609670, 624540, 731604, 853538, 914505, 1219340, 1249080, 1280307, 1463208, 1707076, 1829010, 2133845, 2438680, 2560614, 3414152, 3658020, 4267690, 5121228, 6401535, 7316040, 8535380, 10242456, 12803070, 17070760, 25606140, 51212280]

約数ペア:

[(1, 51212280), (2, 25606140), (3, 17070760), (4, 12803070), (5, 10242456), (6, 8535380), (7, 7316040), (8, 6401535), (10, 5121228), (12, 4267690), (14, 3658020), (15, 3414152), (20, 2560614), (21, 2438680), (24, 2133845), (28, 1829010), (30, 1707076), (35, 1463208), (40, 1280307), (41, 1249080), (42, 1219340), (56, 914505), (60, 853538), (70, 731604), (82, 624540), (84, 609670), (105, 487736), (120, 426769), (123, 416360), (140, 365802), (164, 312270), (168, 304835), (205, 249816), (210, 243868), (246, 208180), (280, 182901), (287, 178440), (328, 156135), (410, 124908), (420, 121934), (492, 104090), (574, 89220), (615, 83272), (820, 62454), (840, 60967), (861, 59480), (984, 52045), (1148, 44610), (1230, 41636), (1435, 35688), (1487, 34440), (1640, 31227), (1722, 29740), (2296, 22305), (2460, 20818), (2870, 17844), (2974, 17220), (3444, 14870), (4305, 11896), (4461, 11480), (4920, 10409), (5740, 8922), (5948, 8610), (6888, 7435)]