28268730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{14957}}^1$

素因数の和:14980

約数の個数: 64

約数和(自身を含む): 86158080

約数和(自身を除く): 57889350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 14957, 29914, 44871, 74785, 89742, 104699, 134613, 149570, 209398, 224355, 269226, 314097, 403839, 448710, 523495, 628194, 673065, 807678, 942291, 1046990, 1346130, 1570485, 1884582, 2019195, 2826873, 3140970, 4038390, 4711455, 5653746, 9422910, 14134365, 28268730]

約数ペア:

[(1, 28268730), (2, 14134365), (3, 9422910), (5, 5653746), (6, 4711455), (7, 4038390), (9, 3140970), (10, 2826873), (14, 2019195), (15, 1884582), (18, 1570485), (21, 1346130), (27, 1046990), (30, 942291), (35, 807678), (42, 673065), (45, 628194), (54, 523495), (63, 448710), (70, 403839), (90, 314097), (105, 269226), (126, 224355), (135, 209398), (189, 149570), (210, 134613), (270, 104699), (315, 89742), (378, 74785), (630, 44871), (945, 29914), (1890, 14957)]