1880820

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{43}}^1$

素因数の和:73

約数の個数: 96

約数和(自身を含む): 6061440

約数和(自身を除く): 4180620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 645, 729, 774, 810, 860, 972, 1161, 1215, 1290, 1458, 1548, 1620, 1935, 2187, 2322, 2430, 2580, 2916, 3483, 3645, 3870, 4374, 4644, 4860, 5805, 6966, 7290, 7740, 8748, 10449, 10935, 11610, 13932, 14580, 17415, 20898, 21870, 23220, 31347, 34830, 41796, 43740, 52245, 62694, 69660, 94041, 104490, 125388, 156735, 188082, 208980, 313470, 376164, 470205, 626940, 940410, 1880820]

約数ペア:

[(1, 1880820), (2, 940410), (3, 626940), (4, 470205), (5, 376164), (6, 313470), (9, 208980), (10, 188082), (12, 156735), (15, 125388), (18, 104490), (20, 94041), (27, 69660), (30, 62694), (36, 52245), (43, 43740), (45, 41796), (54, 34830), (60, 31347), (81, 23220), (86, 21870), (90, 20898), (108, 17415), (129, 14580), (135, 13932), (162, 11610), (172, 10935), (180, 10449), (215, 8748), (243, 7740), (258, 7290), (270, 6966), (324, 5805), (387, 4860), (405, 4644), (430, 4374), (486, 3870), (516, 3645), (540, 3483), (645, 2916), (729, 2580), (774, 2430), (810, 2322), (860, 2187), (972, 1935), (1161, 1620), (1215, 1548), (1290, 1458)]