64861380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15667}}^1$

素因数の和:15705

約数の個数: 72

約数和(自身を含む): 205313472

約数和(自身を除く): 140452092

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, 15667, 31334, 47001, 62668, 78335, 94002, 141003, 156670, 188004, 235005, 282006, 313340, 360341, 470010, 564012, 705015, 720682, 940020, 1081023, 1410030, 1441364, 1801705, 2162046, 2820060, 3243069, 3603410, 4324092, 5405115, 6486138, 7206820, 10810230, 12972276, 16215345, 21620460, 32430690, 64861380]

約数ペア:

[(1, 64861380), (2, 32430690), (3, 21620460), (4, 16215345), (5, 12972276), (6, 10810230), (9, 7206820), (10, 6486138), (12, 5405115), (15, 4324092), (18, 3603410), (20, 3243069), (23, 2820060), (30, 2162046), (36, 1801705), (45, 1441364), (46, 1410030), (60, 1081023), (69, 940020), (90, 720682), (92, 705015), (115, 564012), (138, 470010), (180, 360341), (207, 313340), (230, 282006), (276, 235005), (345, 188004), (414, 156670), (460, 141003), (690, 94002), (828, 78335), (1035, 62668), (1380, 47001), (2070, 31334), (4140, 15667)]