1977172920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{238789}}^1$

素因数の和:238829

約数の個数: 96

約数和(自身を含む): 6705223200

約数和(自身を除く): 4728050280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 238789, 477578, 716367, 955156, 1193945, 1432734, 1910312, 2149101, 2387890, 2865468, 3581835, 4298202, 4775780, 5492147, 5730936, 7163670, 8596404, 9551560, 10745505, 10984294, 14327340, 16476441, 17192808, 21491010, 21968588, 27460735, 28654680, 32952882, 42982020, 43937176, 49429323, 54921470, 65905764, 82382205, 85964040, 98858646, 109842940, 131811528, 164764410, 197717292, 219685880, 247146615, 329528820, 395434584, 494293230, 659057640, 988586460, 1977172920]

約数ペア:

[(1, 1977172920), (2, 988586460), (3, 659057640), (4, 494293230), (5, 395434584), (6, 329528820), (8, 247146615), (9, 219685880), (10, 197717292), (12, 164764410), (15, 131811528), (18, 109842940), (20, 98858646), (23, 85964040), (24, 82382205), (30, 65905764), (36, 54921470), (40, 49429323), (45, 43937176), (46, 42982020), (60, 32952882), (69, 28654680), (72, 27460735), (90, 21968588), (92, 21491010), (115, 17192808), (120, 16476441), (138, 14327340), (180, 10984294), (184, 10745505), (207, 9551560), (230, 8596404), (276, 7163670), (345, 5730936), (360, 5492147), (414, 4775780), (460, 4298202), (552, 3581835), (690, 2865468), (828, 2387890), (920, 2149101), (1035, 1910312), (1380, 1432734), (1656, 1193945), (2070, 955156), (2760, 716367), (4140, 477578), (8280, 238789)]