644740020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1193963}}^1$

素因数の和:1193981

約数の個数: 48

約数和(自身を含む): 2005859520

約数和(自身を除く): 1361119500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1193963, 2387926, 3581889, 4775852, 5969815, 7163778, 10745667, 11939630, 14327556, 17909445, 21491334, 23879260, 32237001, 35818890, 42982668, 53728335, 64474002, 71637780, 107456670, 128948004, 161185005, 214913340, 322370010, 644740020]

約数ペア:

[(1, 644740020), (2, 322370010), (3, 214913340), (4, 161185005), (5, 128948004), (6, 107456670), (9, 71637780), (10, 64474002), (12, 53728335), (15, 42982668), (18, 35818890), (20, 32237001), (27, 23879260), (30, 21491334), (36, 17909445), (45, 14327556), (54, 11939630), (60, 10745667), (90, 7163778), (108, 5969815), (135, 4775852), (180, 3581889), (270, 2387926), (540, 1193963)]