78564420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39679}}^1$

素因数の和:39705

約数の個数: 72

約数和(自身を含む): 259983360

約数和(自身を除く): 181418940

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, 39679, 79358, 119037, 158716, 198395, 238074, 357111, 396790, 436469, 476148, 595185, 714222, 793580, 872938, 1190370, 1309407, 1428444, 1745876, 1785555, 2182345, 2380740, 2618814, 3571110, 3928221, 4364690, 5237628, 6547035, 7142220, 7856442, 8729380, 13094070, 15712884, 19641105, 26188140, 39282210, 78564420]

約数ペア:

[(1, 78564420), (2, 39282210), (3, 26188140), (4, 19641105), (5, 15712884), (6, 13094070), (9, 8729380), (10, 7856442), (11, 7142220), (12, 6547035), (15, 5237628), (18, 4364690), (20, 3928221), (22, 3571110), (30, 2618814), (33, 2380740), (36, 2182345), (44, 1785555), (45, 1745876), (55, 1428444), (60, 1309407), (66, 1190370), (90, 872938), (99, 793580), (110, 714222), (132, 595185), (165, 476148), (180, 436469), (198, 396790), (220, 357111), (330, 238074), (396, 198395), (495, 158716), (660, 119037), (990, 79358), (1980, 39679)]