80915840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^2\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 203061600

約数和(自身を除く): 122145760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 239, 320, 368, 460, 478, 529, 640, 736, 920, 956, 1058, 1195, 1472, 1840, 1912, 2116, 2390, 2645, 2944, 3680, 3824, 4232, 4780, 5290, 5497, 7360, 7648, 8464, 9560, 10580, 10994, 14720, 15296, 16928, 19120, 21160, 21988, 27485, 30592, 33856, 38240, 42320, 43976, 54970, 67712, 76480, 84640, 87952, 109940, 126431, 152960, 169280, 175904, 219880, 252862, 338560, 351808, 439760, 505724, 632155, 703616, 879520, 1011448, 1264310, 1759040, 2022896, 2528620, 3518080, 4045792, 5057240, 8091584, 10114480, 16183168, 20228960, 40457920, 80915840]

約数ペア:

[(1, 80915840), (2, 40457920), (4, 20228960), (5, 16183168), (8, 10114480), (10, 8091584), (16, 5057240), (20, 4045792), (23, 3518080), (32, 2528620), (40, 2022896), (46, 1759040), (64, 1264310), (80, 1011448), (92, 879520), (115, 703616), (128, 632155), (160, 505724), (184, 439760), (230, 351808), (239, 338560), (320, 252862), (368, 219880), (460, 175904), (478, 169280), (529, 152960), (640, 126431), (736, 109940), (920, 87952), (956, 84640), (1058, 76480), (1195, 67712), (1472, 54970), (1840, 43976), (1912, 42320), (2116, 38240), (2390, 33856), (2645, 30592), (2944, 27485), (3680, 21988), (3824, 21160), (4232, 19120), (4780, 16928), (5290, 15296), (5497, 14720), (7360, 10994), (7648, 10580), (8464, 9560)]