121337680

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 290695680

約数和(自身を除く): 169358000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 79, 80, 146, 158, 263, 292, 316, 365, 395, 526, 584, 632, 730, 790, 1052, 1168, 1264, 1315, 1460, 1580, 2104, 2630, 2920, 3160, 4208, 5260, 5767, 5840, 6320, 10520, 11534, 19199, 20777, 21040, 23068, 28835, 38398, 41554, 46136, 57670, 76796, 83108, 92272, 95995, 103885, 115340, 153592, 166216, 191990, 207770, 230680, 307184, 332432, 383980, 415540, 461360, 767960, 831080, 1516721, 1535920, 1662160, 3033442, 6066884, 7583605, 12133768, 15167210, 24267536, 30334420, 60668840, 121337680]

約数ペア:

[(1, 121337680), (2, 60668840), (4, 30334420), (5, 24267536), (8, 15167210), (10, 12133768), (16, 7583605), (20, 6066884), (40, 3033442), (73, 1662160), (79, 1535920), (80, 1516721), (146, 831080), (158, 767960), (263, 461360), (292, 415540), (316, 383980), (365, 332432), (395, 307184), (526, 230680), (584, 207770), (632, 191990), (730, 166216), (790, 153592), (1052, 115340), (1168, 103885), (1264, 95995), (1315, 92272), (1460, 83108), (1580, 76796), (2104, 57670), (2630, 46136), (2920, 41554), (3160, 38398), (4208, 28835), (5260, 23068), (5767, 21040), (5840, 20777), (6320, 19199), (10520, 11534)]