80491680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55897}}^1$

素因数の和:55918

約数の個数: 72

約数和(自身を含む): 274682772

約数和(自身を除く): 194191092

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55897, 111794, 167691, 223588, 279485, 335382, 447176, 503073, 558970, 670764, 838455, 894352, 1006146, 1117940, 1341528, 1676910, 1788704, 2012292, 2235880, 2515365, 2683056, 3353820, 4024584, 4471760, 5030730, 5366112, 6707640, 8049168, 8943520, 10061460, 13415280, 16098336, 20122920, 26830560, 40245840, 80491680]

約数ペア:

[(1, 80491680), (2, 40245840), (3, 26830560), (4, 20122920), (5, 16098336), (6, 13415280), (8, 10061460), (9, 8943520), (10, 8049168), (12, 6707640), (15, 5366112), (16, 5030730), (18, 4471760), (20, 4024584), (24, 3353820), (30, 2683056), (32, 2515365), (36, 2235880), (40, 2012292), (45, 1788704), (48, 1676910), (60, 1341528), (72, 1117940), (80, 1006146), (90, 894352), (96, 838455), (120, 670764), (144, 558970), (160, 503073), (180, 447176), (240, 335382), (288, 279485), (360, 223588), (480, 167691), (720, 111794), (1440, 55897)]