28613820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 82094544

約数和(自身を除く): 53480724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 137, 177, 236, 274, 295, 354, 411, 548, 590, 685, 708, 822, 885, 1180, 1370, 1644, 1770, 2055, 2740, 3481, 3540, 4110, 6962, 8083, 8220, 10443, 13924, 16166, 17405, 20886, 24249, 32332, 34810, 40415, 41772, 48498, 52215, 69620, 80830, 96996, 104430, 121245, 161660, 208860, 242490, 476897, 484980, 953794, 1430691, 1907588, 2384485, 2861382, 4768970, 5722764, 7153455, 9537940, 14306910, 28613820]

約数ペア:

[(1, 28613820), (2, 14306910), (3, 9537940), (4, 7153455), (5, 5722764), (6, 4768970), (10, 2861382), (12, 2384485), (15, 1907588), (20, 1430691), (30, 953794), (59, 484980), (60, 476897), (118, 242490), (137, 208860), (177, 161660), (236, 121245), (274, 104430), (295, 96996), (354, 80830), (411, 69620), (548, 52215), (590, 48498), (685, 41772), (708, 40415), (822, 34810), (885, 32332), (1180, 24249), (1370, 20886), (1644, 17405), (1770, 16166), (2055, 13924), (2740, 10443), (3481, 8220), (3540, 8083), (4110, 6962)]