209172780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{129119}}^1$

素因数の和:129140

約数の個数: 60

約数和(自身を含む): 656187840

約数和(自身を除く): 447015060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 129119, 258238, 387357, 516476, 645595, 774714, 1162071, 1291190, 1549428, 1936785, 2324142, 2582380, 3486213, 3873570, 4648284, 5810355, 6972426, 7747140, 10458639, 11620710, 13944852, 17431065, 20917278, 23241420, 34862130, 41834556, 52293195, 69724260, 104586390, 209172780]

約数ペア:

[(1, 209172780), (2, 104586390), (3, 69724260), (4, 52293195), (5, 41834556), (6, 34862130), (9, 23241420), (10, 20917278), (12, 17431065), (15, 13944852), (18, 11620710), (20, 10458639), (27, 7747140), (30, 6972426), (36, 5810355), (45, 4648284), (54, 3873570), (60, 3486213), (81, 2582380), (90, 2324142), (108, 1936785), (135, 1549428), (162, 1291190), (180, 1162071), (270, 774714), (324, 645595), (405, 516476), (540, 387357), (810, 258238), (1620, 129119)]