80179840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:474

約数の個数: 128

約数和(自身を含む): 215913600

約数和(自身を除く): 135733760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 419, 460, 520, 598, 640, 736, 832, 838, 920, 1040, 1196, 1472, 1495, 1664, 1676, 1840, 2080, 2095, 2392, 2944, 2990, 3352, 3680, 4160, 4190, 4784, 5447, 5980, 6704, 7360, 8320, 8380, 9568, 9637, 10894, 11960, 13408, 14720, 16760, 19136, 19274, 21788, 23920, 26816, 27235, 33520, 38272, 38548, 43576, 47840, 48185, 53632, 54470, 67040, 77096, 87152, 95680, 96370, 108940, 125281, 134080, 154192, 174304, 191360, 192740, 217880, 250562, 268160, 308384, 348608, 385480, 435760, 501124, 616768, 626405, 697216, 770960, 871520, 1002248, 1233536, 1252810, 1541920, 1743040, 2004496, 2505620, 3083840, 3486080, 4008992, 5011240, 6167680, 8017984, 10022480, 16035968, 20044960, 40089920, 80179840]

約数ペア:

[(1, 80179840), (2, 40089920), (4, 20044960), (5, 16035968), (8, 10022480), (10, 8017984), (13, 6167680), (16, 5011240), (20, 4008992), (23, 3486080), (26, 3083840), (32, 2505620), (40, 2004496), (46, 1743040), (52, 1541920), (64, 1252810), (65, 1233536), (80, 1002248), (92, 871520), (104, 770960), (115, 697216), (128, 626405), (130, 616768), (160, 501124), (184, 435760), (208, 385480), (230, 348608), (260, 308384), (299, 268160), (320, 250562), (368, 217880), (416, 192740), (419, 191360), (460, 174304), (520, 154192), (598, 134080), (640, 125281), (736, 108940), (832, 96370), (838, 95680), (920, 87152), (1040, 77096), (1196, 67040), (1472, 54470), (1495, 53632), (1664, 48185), (1676, 47840), (1840, 43576), (2080, 38548), (2095, 38272), (2392, 33520), (2944, 27235), (2990, 26816), (3352, 23920), (3680, 21788), (4160, 19274), (4190, 19136), (4784, 16760), (5447, 14720), (5980, 13408), (6704, 11960), (7360, 10894), (8320, 9637), (8380, 9568)]