80492640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 265891248

約数和(自身を除く): 185398608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 317, 345, 368, 460, 480, 529, 552, 634, 690, 736, 920, 951, 1058, 1104, 1268, 1380, 1585, 1587, 1840, 1902, 2116, 2208, 2536, 2645, 2760, 3170, 3174, 3680, 3804, 4232, 4755, 5072, 5290, 5520, 6340, 6348, 7291, 7608, 7935, 8464, 9510, 10144, 10580, 11040, 12680, 12696, 14582, 15216, 15870, 16928, 19020, 21160, 21873, 25360, 25392, 29164, 30432, 31740, 36455, 38040, 42320, 43746, 50720, 50784, 58328, 63480, 72910, 76080, 84640, 87492, 109365, 116656, 126960, 145820, 152160, 167693, 174984, 218730, 233312, 253920, 291640, 335386, 349968, 437460, 503079, 583280, 670772, 699936, 838465, 874920, 1006158, 1166560, 1341544, 1676930, 1749840, 2012316, 2515395, 2683088, 3353860, 3499680, 4024632, 5030790, 5366176, 6707720, 8049264, 10061580, 13415440, 16098528, 20123160, 26830880, 40246320, 80492640]

約数ペア:

[(1, 80492640), (2, 40246320), (3, 26830880), (4, 20123160), (5, 16098528), (6, 13415440), (8, 10061580), (10, 8049264), (12, 6707720), (15, 5366176), (16, 5030790), (20, 4024632), (23, 3499680), (24, 3353860), (30, 2683088), (32, 2515395), (40, 2012316), (46, 1749840), (48, 1676930), (60, 1341544), (69, 1166560), (80, 1006158), (92, 874920), (96, 838465), (115, 699936), (120, 670772), (138, 583280), (160, 503079), (184, 437460), (230, 349968), (240, 335386), (276, 291640), (317, 253920), (345, 233312), (368, 218730), (460, 174984), (480, 167693), (529, 152160), (552, 145820), (634, 126960), (690, 116656), (736, 109365), (920, 87492), (951, 84640), (1058, 76080), (1104, 72910), (1268, 63480), (1380, 58328), (1585, 50784), (1587, 50720), (1840, 43746), (1902, 42320), (2116, 38040), (2208, 36455), (2536, 31740), (2645, 30432), (2760, 29164), (3170, 25392), (3174, 25360), (3680, 21873), (3804, 21160), (4232, 19020), (4755, 16928), (5072, 15870), (5290, 15216), (5520, 14582), (6340, 12696), (6348, 12680), (7291, 11040), (7608, 10580), (7935, 10144), (8464, 9510)]