91111280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 120

約数和(自身を含む): 240172128

約数和(自身を除く): 149060848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 169, 184, 208, 230, 260, 293, 299, 338, 368, 460, 520, 586, 598, 676, 845, 920, 1040, 1172, 1196, 1352, 1465, 1495, 1690, 1840, 2344, 2392, 2704, 2930, 2990, 3380, 3809, 3887, 4688, 4784, 5860, 5980, 6739, 6760, 7618, 7774, 11720, 11960, 13478, 13520, 15236, 15548, 19045, 19435, 23440, 23920, 26956, 30472, 31096, 33695, 38090, 38870, 49517, 53912, 60944, 62192, 67390, 76180, 77740, 87607, 99034, 107824, 134780, 152360, 155480, 175214, 198068, 247585, 269560, 304720, 310960, 350428, 396136, 438035, 495170, 539120, 700856, 792272, 876070, 990340, 1138891, 1401712, 1752140, 1980680, 2277782, 3504280, 3961360, 4555564, 5694455, 7008560, 9111128, 11388910, 18222256, 22777820, 45555640, 91111280]

約数ペア:

[(1, 91111280), (2, 45555640), (4, 22777820), (5, 18222256), (8, 11388910), (10, 9111128), (13, 7008560), (16, 5694455), (20, 4555564), (23, 3961360), (26, 3504280), (40, 2277782), (46, 1980680), (52, 1752140), (65, 1401712), (80, 1138891), (92, 990340), (104, 876070), (115, 792272), (130, 700856), (169, 539120), (184, 495170), (208, 438035), (230, 396136), (260, 350428), (293, 310960), (299, 304720), (338, 269560), (368, 247585), (460, 198068), (520, 175214), (586, 155480), (598, 152360), (676, 134780), (845, 107824), (920, 99034), (1040, 87607), (1172, 77740), (1196, 76180), (1352, 67390), (1465, 62192), (1495, 60944), (1690, 53912), (1840, 49517), (2344, 38870), (2392, 38090), (2704, 33695), (2930, 31096), (2990, 30472), (3380, 26956), (3809, 23920), (3887, 23440), (4688, 19435), (4784, 19045), (5860, 15548), (5980, 15236), (6739, 13520), (6760, 13478), (7618, 11960), (7774, 11720)]