280828980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{29437}}^1$

素因数の和:29505

約数の個数: 72

約数和(自身を含む): 867949992

約数和(自身を除く): 587121012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 29437, 58874, 88311, 117748, 147185, 176622, 264933, 294370, 353244, 441555, 529866, 588740, 883110, 1059732, 1324665, 1560161, 1766220, 2649330, 3120322, 4680483, 5298660, 6240644, 7800805, 9360966, 14041449, 15601610, 18721932, 23402415, 28082898, 31203220, 46804830, 56165796, 70207245, 93609660, 140414490, 280828980]

約数ペア:

[(1, 280828980), (2, 140414490), (3, 93609660), (4, 70207245), (5, 56165796), (6, 46804830), (9, 31203220), (10, 28082898), (12, 23402415), (15, 18721932), (18, 15601610), (20, 14041449), (30, 9360966), (36, 7800805), (45, 6240644), (53, 5298660), (60, 4680483), (90, 3120322), (106, 2649330), (159, 1766220), (180, 1560161), (212, 1324665), (265, 1059732), (318, 883110), (477, 588740), (530, 529866), (636, 441555), (795, 353244), (954, 294370), (1060, 264933), (1590, 176622), (1908, 147185), (2385, 117748), (3180, 88311), (4770, 58874), (9540, 29437)]