2179980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 7418880

約数和(自身を除く): 5238900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 367, 396, 495, 540, 594, 660, 734, 990, 1101, 1188, 1468, 1485, 1835, 1980, 2202, 2970, 3303, 3670, 4037, 4404, 5505, 5940, 6606, 7340, 8074, 9909, 11010, 12111, 13212, 16148, 16515, 19818, 20185, 22020, 24222, 33030, 36333, 39636, 40370, 48444, 49545, 60555, 66060, 72666, 80740, 99090, 108999, 121110, 145332, 181665, 198180, 217998, 242220, 363330, 435996, 544995, 726660, 1089990, 2179980]

約数ペア:

[(1, 2179980), (2, 1089990), (3, 726660), (4, 544995), (5, 435996), (6, 363330), (9, 242220), (10, 217998), (11, 198180), (12, 181665), (15, 145332), (18, 121110), (20, 108999), (22, 99090), (27, 80740), (30, 72666), (33, 66060), (36, 60555), (44, 49545), (45, 48444), (54, 40370), (55, 39636), (60, 36333), (66, 33030), (90, 24222), (99, 22020), (108, 20185), (110, 19818), (132, 16515), (135, 16148), (165, 13212), (180, 12111), (198, 11010), (220, 9909), (270, 8074), (297, 7340), (330, 6606), (367, 5940), (396, 5505), (495, 4404), (540, 4037), (594, 3670), (660, 3303), (734, 2970), (990, 2202), (1101, 1980), (1188, 1835), (1468, 1485)]