217222020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{402263}}^1$

素因数の和:402281

約数の個数: 48

約数和(自身を含む): 675803520

約数和(自身を除く): 458581500

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, 402263, 804526, 1206789, 1609052, 2011315, 2413578, 3620367, 4022630, 4827156, 6033945, 7240734, 8045260, 10861101, 12067890, 14481468, 18101835, 21722202, 24135780, 36203670, 43444404, 54305505, 72407340, 108611010, 217222020]

約数ペア:

[(1, 217222020), (2, 108611010), (3, 72407340), (4, 54305505), (5, 43444404), (6, 36203670), (9, 24135780), (10, 21722202), (12, 18101835), (15, 14481468), (18, 12067890), (20, 10861101), (27, 8045260), (30, 7240734), (36, 6033945), (45, 4827156), (54, 4022630), (60, 3620367), (90, 2413578), (108, 2011315), (135, 1609052), (180, 1206789), (270, 804526), (540, 402263)]