81315312

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{863}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 227985408

約数和(自身を除く): 146670096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 151, 156, 208, 302, 312, 453, 604, 624, 863, 906, 1208, 1726, 1812, 1963, 2416, 2589, 3452, 3624, 3926, 5178, 5889, 6904, 7248, 7852, 10356, 11219, 11778, 13808, 15704, 20712, 22438, 23556, 31408, 33657, 41424, 44876, 47112, 67314, 89752, 94224, 130313, 134628, 179504, 260626, 269256, 390939, 521252, 538512, 781878, 1042504, 1563756, 1694069, 2085008, 3127512, 3388138, 5082207, 6255024, 6776276, 10164414, 13552552, 20328828, 27105104, 40657656, 81315312]

約数ペア:

[(1, 81315312), (2, 40657656), (3, 27105104), (4, 20328828), (6, 13552552), (8, 10164414), (12, 6776276), (13, 6255024), (16, 5082207), (24, 3388138), (26, 3127512), (39, 2085008), (48, 1694069), (52, 1563756), (78, 1042504), (104, 781878), (151, 538512), (156, 521252), (208, 390939), (302, 269256), (312, 260626), (453, 179504), (604, 134628), (624, 130313), (863, 94224), (906, 89752), (1208, 67314), (1726, 47112), (1812, 44876), (1963, 41424), (2416, 33657), (2589, 31408), (3452, 23556), (3624, 22438), (3926, 20712), (5178, 15704), (5889, 13808), (6904, 11778), (7248, 11219), (7852, 10356)]