31460220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15889}}^1$

素因数の和:15915

約数の個数: 72

約数和(自身を含む): 104111280

約数和(自身を除く): 72651060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15889, 31778, 47667, 63556, 79445, 95334, 143001, 158890, 174779, 190668, 238335, 286002, 317780, 349558, 476670, 524337, 572004, 699116, 715005, 873895, 953340, 1048674, 1430010, 1573011, 1747790, 2097348, 2621685, 2860020, 3146022, 3495580, 5243370, 6292044, 7865055, 10486740, 15730110, 31460220]

約数ペア:

[(1, 31460220), (2, 15730110), (3, 10486740), (4, 7865055), (5, 6292044), (6, 5243370), (9, 3495580), (10, 3146022), (11, 2860020), (12, 2621685), (15, 2097348), (18, 1747790), (20, 1573011), (22, 1430010), (30, 1048674), (33, 953340), (36, 873895), (44, 715005), (45, 699116), (55, 572004), (60, 524337), (66, 476670), (90, 349558), (99, 317780), (110, 286002), (132, 238335), (165, 190668), (180, 174779), (198, 158890), (220, 143001), (330, 95334), (396, 79445), (495, 63556), (660, 47667), (990, 31778), (1980, 15889)]