131480440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:953

約数の個数: 128

約数和(自身を含む): 373403520

約数和(自身を除く): 241923080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 881, 910, 1066, 1148, 1435, 1640, 1762, 1820, 2132, 2296, 2665, 2870, 3524, 3640, 3731, 4264, 4405, 5330, 5740, 6167, 7048, 7462, 8810, 10660, 11453, 11480, 12334, 14924, 17620, 18655, 21320, 22906, 24668, 29848, 30835, 35240, 36121, 37310, 45812, 49336, 57265, 61670, 72242, 74620, 80171, 91624, 114530, 123340, 144484, 149240, 160342, 180605, 229060, 246680, 252847, 288968, 320684, 361210, 400855, 458120, 469573, 505694, 641368, 722420, 801710, 939146, 1011388, 1264235, 1444840, 1603420, 1878292, 2022776, 2347865, 2528470, 3206840, 3287011, 3756584, 4695730, 5056940, 6574022, 9391460, 10113880, 13148044, 16435055, 18782920, 26296088, 32870110, 65740220, 131480440]

約数ペア:

[(1, 131480440), (2, 65740220), (4, 32870110), (5, 26296088), (7, 18782920), (8, 16435055), (10, 13148044), (13, 10113880), (14, 9391460), (20, 6574022), (26, 5056940), (28, 4695730), (35, 3756584), (40, 3287011), (41, 3206840), (52, 2528470), (56, 2347865), (65, 2022776), (70, 1878292), (82, 1603420), (91, 1444840), (104, 1264235), (130, 1011388), (140, 939146), (164, 801710), (182, 722420), (205, 641368), (260, 505694), (280, 469573), (287, 458120), (328, 400855), (364, 361210), (410, 320684), (455, 288968), (520, 252847), (533, 246680), (574, 229060), (728, 180605), (820, 160342), (881, 149240), (910, 144484), (1066, 123340), (1148, 114530), (1435, 91624), (1640, 80171), (1762, 74620), (1820, 72242), (2132, 61670), (2296, 57265), (2665, 49336), (2870, 45812), (3524, 37310), (3640, 36121), (3731, 35240), (4264, 30835), (4405, 29848), (5330, 24668), (5740, 22906), (6167, 21320), (7048, 18655), (7462, 17620), (8810, 14924), (10660, 12334), (11453, 11480)]