131387360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 346976784

約数和(自身を除く): 215589424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 113, 130, 160, 169, 172, 208, 215, 226, 260, 338, 344, 416, 430, 452, 520, 559, 565, 676, 688, 845, 860, 904, 1040, 1118, 1130, 1352, 1376, 1469, 1690, 1720, 1808, 2080, 2236, 2260, 2704, 2795, 2938, 3380, 3440, 3616, 4472, 4520, 4859, 5408, 5590, 5876, 6760, 6880, 7267, 7345, 8944, 9040, 9718, 11180, 11752, 13520, 14534, 14690, 17888, 18080, 19097, 19436, 22360, 23504, 24295, 27040, 29068, 29380, 36335, 38194, 38872, 44720, 47008, 48590, 58136, 58760, 63167, 72670, 76388, 77744, 89440, 95485, 97180, 116272, 117520, 126334, 145340, 152776, 155488, 190970, 194360, 232544, 235040, 252668, 290680, 305552, 315835, 381940, 388720, 505336, 581360, 611104, 631670, 763880, 777440, 821171, 1010672, 1162720, 1263340, 1527760, 1642342, 2021344, 2526680, 3055520, 3284684, 4105855, 5053360, 6569368, 8211710, 10106720, 13138736, 16423420, 26277472, 32846840, 65693680, 131387360]

約数ペア:

[(1, 131387360), (2, 65693680), (4, 32846840), (5, 26277472), (8, 16423420), (10, 13138736), (13, 10106720), (16, 8211710), (20, 6569368), (26, 5053360), (32, 4105855), (40, 3284684), (43, 3055520), (52, 2526680), (65, 2021344), (80, 1642342), (86, 1527760), (104, 1263340), (113, 1162720), (130, 1010672), (160, 821171), (169, 777440), (172, 763880), (208, 631670), (215, 611104), (226, 581360), (260, 505336), (338, 388720), (344, 381940), (416, 315835), (430, 305552), (452, 290680), (520, 252668), (559, 235040), (565, 232544), (676, 194360), (688, 190970), (845, 155488), (860, 152776), (904, 145340), (1040, 126334), (1118, 117520), (1130, 116272), (1352, 97180), (1376, 95485), (1469, 89440), (1690, 77744), (1720, 76388), (1808, 72670), (2080, 63167), (2236, 58760), (2260, 58136), (2704, 48590), (2795, 47008), (2938, 44720), (3380, 38872), (3440, 38194), (3616, 36335), (4472, 29380), (4520, 29068), (4859, 27040), (5408, 24295), (5590, 23504), (5876, 22360), (6760, 19436), (6880, 19097), (7267, 18080), (7345, 17888), (8944, 14690), (9040, 14534), (9718, 13520), (11180, 11752)]