645064920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1791847}}^1$

素因数の和:1791864

約数の個数: 48

約数和(自身を含む): 2096462160

約数和(自身を除く): 1451397240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1791847, 3583694, 5375541, 7167388, 8959235, 10751082, 14334776, 16126623, 17918470, 21502164, 26877705, 32253246, 35836940, 43004328, 53755410, 64506492, 71673880, 80633115, 107510820, 129012984, 161266230, 215021640, 322532460, 645064920]

約数ペア:

[(1, 645064920), (2, 322532460), (3, 215021640), (4, 161266230), (5, 129012984), (6, 107510820), (8, 80633115), (9, 71673880), (10, 64506492), (12, 53755410), (15, 43004328), (18, 35836940), (20, 32253246), (24, 26877705), (30, 21502164), (36, 17918470), (40, 16126623), (45, 14334776), (60, 10751082), (72, 8959235), (90, 7167388), (120, 5375541), (180, 3583694), (360, 1791847)]