28737240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34211}}^1$

素因数の和:34232

約数の個数: 64

約数和(自身を含む): 98530560

約数和(自身を除く): 69793320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34211, 68422, 102633, 136844, 171055, 205266, 239477, 273688, 342110, 410532, 478954, 513165, 684220, 718431, 821064, 957908, 1026330, 1197385, 1368440, 1436862, 1915816, 2052660, 2394770, 2873724, 3592155, 4105320, 4789540, 5747448, 7184310, 9579080, 14368620, 28737240]

約数ペア:

[(1, 28737240), (2, 14368620), (3, 9579080), (4, 7184310), (5, 5747448), (6, 4789540), (7, 4105320), (8, 3592155), (10, 2873724), (12, 2394770), (14, 2052660), (15, 1915816), (20, 1436862), (21, 1368440), (24, 1197385), (28, 1026330), (30, 957908), (35, 821064), (40, 718431), (42, 684220), (56, 513165), (60, 478954), (70, 410532), (84, 342110), (105, 273688), (120, 239477), (140, 205266), (168, 171055), (210, 136844), (280, 102633), (420, 68422), (840, 34211)]