27721320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21001}}^1$

素因数の和:21026

約数の個数: 64

約数和(自身を含む): 90728640

約数和(自身を除く): 63007320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21001, 42002, 63003, 84004, 105005, 126006, 168008, 210010, 231011, 252012, 315015, 420020, 462022, 504024, 630030, 693033, 840040, 924044, 1155055, 1260060, 1386066, 1848088, 2310110, 2520120, 2772132, 3465165, 4620220, 5544264, 6930330, 9240440, 13860660, 27721320]

約数ペア:

[(1, 27721320), (2, 13860660), (3, 9240440), (4, 6930330), (5, 5544264), (6, 4620220), (8, 3465165), (10, 2772132), (11, 2520120), (12, 2310110), (15, 1848088), (20, 1386066), (22, 1260060), (24, 1155055), (30, 924044), (33, 840040), (40, 693033), (44, 630030), (55, 504024), (60, 462022), (66, 420020), (88, 315015), (110, 252012), (120, 231011), (132, 210010), (165, 168008), (220, 126006), (264, 105005), (330, 84004), (440, 63003), (660, 42002), (1320, 21001)]