1817920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 112

約数和(自身を含む): 5120640

約数和(自身を除く): 3302720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 32, 38, 40, 46, 52, 64, 65, 76, 80, 92, 95, 104, 115, 130, 152, 160, 184, 190, 208, 230, 247, 260, 299, 304, 320, 368, 380, 416, 437, 460, 494, 520, 598, 608, 736, 760, 832, 874, 920, 988, 1040, 1196, 1216, 1235, 1472, 1495, 1520, 1748, 1840, 1976, 2080, 2185, 2392, 2470, 2990, 3040, 3496, 3680, 3952, 4160, 4370, 4784, 4940, 5681, 5980, 6080, 6992, 7360, 7904, 8740, 9568, 9880, 11362, 11960, 13984, 15808, 17480, 19136, 19760, 22724, 23920, 27968, 28405, 34960, 39520, 45448, 47840, 56810, 69920, 79040, 90896, 95680, 113620, 139840, 181792, 227240, 363584, 454480, 908960, 1817920]

約数ペア:

[(1, 1817920), (2, 908960), (4, 454480), (5, 363584), (8, 227240), (10, 181792), (13, 139840), (16, 113620), (19, 95680), (20, 90896), (23, 79040), (26, 69920), (32, 56810), (38, 47840), (40, 45448), (46, 39520), (52, 34960), (64, 28405), (65, 27968), (76, 23920), (80, 22724), (92, 19760), (95, 19136), (104, 17480), (115, 15808), (130, 13984), (152, 11960), (160, 11362), (184, 9880), (190, 9568), (208, 8740), (230, 7904), (247, 7360), (260, 6992), (299, 6080), (304, 5980), (320, 5681), (368, 4940), (380, 4784), (416, 4370), (437, 4160), (460, 3952), (494, 3680), (520, 3496), (598, 3040), (608, 2990), (736, 2470), (760, 2392), (832, 2185), (874, 2080), (920, 1976), (988, 1840), (1040, 1748), (1196, 1520), (1216, 1495), (1235, 1472)]