28231920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:479

約数の個数: 120

約数和(自身を含む): 95926896

約数和(自身を除く): 67694976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 240, 339, 347, 360, 452, 565, 678, 694, 720, 904, 1017, 1041, 1130, 1356, 1388, 1695, 1735, 1808, 2034, 2082, 2260, 2712, 2776, 3123, 3390, 3470, 4068, 4164, 4520, 5085, 5205, 5424, 5552, 6246, 6780, 6940, 8136, 8328, 9040, 10170, 10410, 12492, 13560, 13880, 15615, 16272, 16656, 20340, 20820, 24984, 27120, 27760, 31230, 39211, 40680, 41640, 49968, 62460, 78422, 81360, 83280, 117633, 124920, 156844, 196055, 235266, 249840, 313688, 352899, 392110, 470532, 588165, 627376, 705798, 784220, 941064, 1176330, 1411596, 1568440, 1764495, 1882128, 2352660, 2823192, 3136880, 3528990, 4705320, 5646384, 7057980, 9410640, 14115960, 28231920]

約数ペア:

[(1, 28231920), (2, 14115960), (3, 9410640), (4, 7057980), (5, 5646384), (6, 4705320), (8, 3528990), (9, 3136880), (10, 2823192), (12, 2352660), (15, 1882128), (16, 1764495), (18, 1568440), (20, 1411596), (24, 1176330), (30, 941064), (36, 784220), (40, 705798), (45, 627376), (48, 588165), (60, 470532), (72, 392110), (80, 352899), (90, 313688), (113, 249840), (120, 235266), (144, 196055), (180, 156844), (226, 124920), (240, 117633), (339, 83280), (347, 81360), (360, 78422), (452, 62460), (565, 49968), (678, 41640), (694, 40680), (720, 39211), (904, 31230), (1017, 27760), (1041, 27120), (1130, 24984), (1356, 20820), (1388, 20340), (1695, 16656), (1735, 16272), (1808, 15615), (2034, 13880), (2082, 13560), (2260, 12492), (2712, 10410), (2776, 10170), (3123, 9040), (3390, 8328), (3470, 8136), (4068, 6940), (4164, 6780), (4520, 6246), (5085, 5552), (5205, 5424)]