71293560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 128

約数和(自身を含む): 240468480

約数和(自身を除く): 169174920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 1987, 2392, 2760, 2990, 3588, 3974, 4485, 5961, 5980, 7176, 7948, 8970, 9935, 11922, 11960, 15896, 17940, 19870, 23844, 25831, 29805, 35880, 39740, 45701, 47688, 51662, 59610, 77493, 79480, 91402, 103324, 119220, 129155, 137103, 154986, 182804, 206648, 228505, 238440, 258310, 274206, 309972, 365608, 387465, 457010, 516620, 548412, 594113, 619944, 685515, 774930, 914020, 1033240, 1096824, 1188226, 1371030, 1549860, 1782339, 1828040, 2376452, 2742060, 2970565, 3099720, 3564678, 4752904, 5484120, 5941130, 7129356, 8911695, 11882260, 14258712, 17823390, 23764520, 35646780, 71293560]

約数ペア:

[(1, 71293560), (2, 35646780), (3, 23764520), (4, 17823390), (5, 14258712), (6, 11882260), (8, 8911695), (10, 7129356), (12, 5941130), (13, 5484120), (15, 4752904), (20, 3564678), (23, 3099720), (24, 2970565), (26, 2742060), (30, 2376452), (39, 1828040), (40, 1782339), (46, 1549860), (52, 1371030), (60, 1188226), (65, 1096824), (69, 1033240), (78, 914020), (92, 774930), (104, 685515), (115, 619944), (120, 594113), (130, 548412), (138, 516620), (156, 457010), (184, 387465), (195, 365608), (230, 309972), (260, 274206), (276, 258310), (299, 238440), (312, 228505), (345, 206648), (390, 182804), (460, 154986), (520, 137103), (552, 129155), (598, 119220), (690, 103324), (780, 91402), (897, 79480), (920, 77493), (1196, 59610), (1380, 51662), (1495, 47688), (1560, 45701), (1794, 39740), (1987, 35880), (2392, 29805), (2760, 25831), (2990, 23844), (3588, 19870), (3974, 17940), (4485, 15896), (5961, 11960), (5980, 11922), (7176, 9935), (7948, 8970)]