261264120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{449}}^1$

素因数の和:849

約数の個数: 128

約数和(自身を含む): 848232000

約数和(自身を除く): 586967880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 373, 390, 449, 520, 746, 780, 898, 1119, 1347, 1492, 1560, 1796, 1865, 2238, 2245, 2694, 2984, 3592, 3730, 4476, 4490, 4849, 5388, 5595, 5837, 6735, 7460, 8952, 8980, 9698, 10776, 11190, 11674, 13470, 14547, 14920, 17511, 17960, 19396, 22380, 23348, 24245, 26940, 29094, 29185, 35022, 38792, 44760, 46696, 48490, 53880, 58188, 58370, 70044, 72735, 87555, 96980, 116376, 116740, 140088, 145470, 167477, 175110, 193960, 233480, 290940, 334954, 350220, 502431, 581880, 669908, 700440, 837385, 1004862, 1339816, 1674770, 2009724, 2177201, 2512155, 3349540, 4019448, 4354402, 5024310, 6531603, 6699080, 8708804, 10048620, 10886005, 13063206, 17417608, 20097240, 21772010, 26126412, 32658015, 43544020, 52252824, 65316030, 87088040, 130632060, 261264120]

約数ペア:

[(1, 261264120), (2, 130632060), (3, 87088040), (4, 65316030), (5, 52252824), (6, 43544020), (8, 32658015), (10, 26126412), (12, 21772010), (13, 20097240), (15, 17417608), (20, 13063206), (24, 10886005), (26, 10048620), (30, 8708804), (39, 6699080), (40, 6531603), (52, 5024310), (60, 4354402), (65, 4019448), (78, 3349540), (104, 2512155), (120, 2177201), (130, 2009724), (156, 1674770), (195, 1339816), (260, 1004862), (312, 837385), (373, 700440), (390, 669908), (449, 581880), (520, 502431), (746, 350220), (780, 334954), (898, 290940), (1119, 233480), (1347, 193960), (1492, 175110), (1560, 167477), (1796, 145470), (1865, 140088), (2238, 116740), (2245, 116376), (2694, 96980), (2984, 87555), (3592, 72735), (3730, 70044), (4476, 58370), (4490, 58188), (4849, 53880), (5388, 48490), (5595, 46696), (5837, 44760), (6735, 38792), (7460, 35022), (8952, 29185), (8980, 29094), (9698, 26940), (10776, 24245), (11190, 23348), (11674, 22380), (13470, 19396), (14547, 17960), (14920, 17511)]