64836540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15661}}^1$

素因数の和:15699

約数の個数: 72

約数和(自身を含む): 205234848

約数和(自身を除く): 140398308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 15661, 31322, 46983, 62644, 78305, 93966, 140949, 156610, 187932, 234915, 281898, 313220, 360203, 469830, 563796, 704745, 720406, 939660, 1080609, 1409490, 1440812, 1801015, 2161218, 2818980, 3241827, 3602030, 4322436, 5403045, 6483654, 7204060, 10806090, 12967308, 16209135, 21612180, 32418270, 64836540]

約数ペア:

[(1, 64836540), (2, 32418270), (3, 21612180), (4, 16209135), (5, 12967308), (6, 10806090), (9, 7204060), (10, 6483654), (12, 5403045), (15, 4322436), (18, 3602030), (20, 3241827), (23, 2818980), (30, 2161218), (36, 1801015), (45, 1440812), (46, 1409490), (60, 1080609), (69, 939660), (90, 720406), (92, 704745), (115, 563796), (138, 469830), (180, 360203), (207, 313220), (230, 281898), (276, 234915), (345, 187932), (414, 156610), (460, 140949), (690, 93966), (828, 78305), (1035, 62644), (1380, 46983), (2070, 31322), (4140, 15661)]