664308945

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 1243028160

約数和(自身を除く): 578719215

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 163, 261, 347, 405, 435, 489, 783, 815, 1041, 1305, 1467, 1735, 2349, 2445, 3123, 3915, 4401, 4727, 5205, 7335, 9369, 10063, 11745, 13203, 14181, 15615, 22005, 23635, 28107, 30189, 42543, 46845, 50315, 56561, 66015, 70905, 90567, 127629, 140535, 150945, 169683, 212715, 271701, 282805, 382887, 452835, 509049, 638145, 815103, 848415, 1358505, 1527147, 1640269, 1914435, 2545245, 4075515, 4581441, 4920807, 7635735, 8201345, 14762421, 22907205, 24604035, 44287263, 73812105, 132861789, 221436315, 664308945]

約数ペア:

[(1, 664308945), (3, 221436315), (5, 132861789), (9, 73812105), (15, 44287263), (27, 24604035), (29, 22907205), (45, 14762421), (81, 8201345), (87, 7635735), (135, 4920807), (145, 4581441), (163, 4075515), (261, 2545245), (347, 1914435), (405, 1640269), (435, 1527147), (489, 1358505), (783, 848415), (815, 815103), (1041, 638145), (1305, 509049), (1467, 452835), (1735, 382887), (2349, 282805), (2445, 271701), (3123, 212715), (3915, 169683), (4401, 150945), (4727, 140535), (5205, 127629), (7335, 90567), (9369, 70905), (10063, 66015), (11745, 56561), (13203, 50315), (14181, 46845), (15615, 42543), (22005, 30189), (23635, 28107)]