28714860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2381}}^1$

素因数の和:2463

約数の個数: 72

約数和(自身を含む): 88438896

約数和(自身を除く): 59724036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2381, 2412, 3015, 4020, 4762, 6030, 7143, 9524, 11905, 12060, 14286, 21429, 23810, 28572, 35715, 42858, 47620, 71430, 85716, 107145, 142860, 159527, 214290, 319054, 428580, 478581, 638108, 797635, 957162, 1435743, 1595270, 1914324, 2392905, 2871486, 3190540, 4785810, 5742972, 7178715, 9571620, 14357430, 28714860]

約数ペア:

[(1, 28714860), (2, 14357430), (3, 9571620), (4, 7178715), (5, 5742972), (6, 4785810), (9, 3190540), (10, 2871486), (12, 2392905), (15, 1914324), (18, 1595270), (20, 1435743), (30, 957162), (36, 797635), (45, 638108), (60, 478581), (67, 428580), (90, 319054), (134, 214290), (180, 159527), (201, 142860), (268, 107145), (335, 85716), (402, 71430), (603, 47620), (670, 42858), (804, 35715), (1005, 28572), (1206, 23810), (1340, 21429), (2010, 14286), (2381, 12060), (2412, 11905), (3015, 9524), (4020, 7143), (4762, 6030)]