131049520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 359026128

約数和(自身を除く): 227976608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 101, 112, 140, 196, 202, 245, 280, 331, 392, 404, 490, 505, 560, 662, 707, 784, 808, 980, 1010, 1324, 1414, 1616, 1655, 1960, 2020, 2317, 2648, 2828, 3310, 3535, 3920, 4040, 4634, 4949, 5296, 5656, 6620, 7070, 8080, 9268, 9898, 11312, 11585, 13240, 14140, 16219, 18536, 19796, 23170, 24745, 26480, 28280, 32438, 33431, 37072, 39592, 46340, 49490, 56560, 64876, 66862, 79184, 81095, 92680, 98980, 129752, 133724, 162190, 167155, 185360, 197960, 234017, 259504, 267448, 324380, 334310, 395920, 468034, 534896, 648760, 668620, 936068, 1170085, 1297520, 1337240, 1638119, 1872136, 2340170, 2674480, 3276238, 3744272, 4680340, 6552476, 8190595, 9360680, 13104952, 16381190, 18721360, 26209904, 32762380, 65524760, 131049520]

約数ペア:

[(1, 131049520), (2, 65524760), (4, 32762380), (5, 26209904), (7, 18721360), (8, 16381190), (10, 13104952), (14, 9360680), (16, 8190595), (20, 6552476), (28, 4680340), (35, 3744272), (40, 3276238), (49, 2674480), (56, 2340170), (70, 1872136), (80, 1638119), (98, 1337240), (101, 1297520), (112, 1170085), (140, 936068), (196, 668620), (202, 648760), (245, 534896), (280, 468034), (331, 395920), (392, 334310), (404, 324380), (490, 267448), (505, 259504), (560, 234017), (662, 197960), (707, 185360), (784, 167155), (808, 162190), (980, 133724), (1010, 129752), (1324, 98980), (1414, 92680), (1616, 81095), (1655, 79184), (1960, 66862), (2020, 64876), (2317, 56560), (2648, 49490), (2828, 46340), (3310, 39592), (3535, 37072), (3920, 33431), (4040, 32438), (4634, 28280), (4949, 26480), (5296, 24745), (5656, 23170), (6620, 19796), (7070, 18536), (8080, 16219), (9268, 14140), (9898, 13240), (11312, 11585)]