728664840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88003}}^1$

素因数の和:88043

約数の個数: 96

約数和(自身を含む): 2471152320

約数和(自身を除く): 1742487480

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, 88003, 176006, 264009, 352012, 440015, 528018, 704024, 792027, 880030, 1056036, 1320045, 1584054, 1760060, 2024069, 2112072, 2640090, 3168108, 3520120, 3960135, 4048138, 5280180, 6072207, 6336216, 7920270, 8096276, 10120345, 10560360, 12144414, 15840540, 16192552, 18216621, 20240690, 24288828, 30361035, 31681080, 36433242, 40481380, 48577656, 60722070, 72866484, 80962760, 91083105, 121444140, 145732968, 182166210, 242888280, 364332420, 728664840]

約数ペア:

[(1, 728664840), (2, 364332420), (3, 242888280), (4, 182166210), (5, 145732968), (6, 121444140), (8, 91083105), (9, 80962760), (10, 72866484), (12, 60722070), (15, 48577656), (18, 40481380), (20, 36433242), (23, 31681080), (24, 30361035), (30, 24288828), (36, 20240690), (40, 18216621), (45, 16192552), (46, 15840540), (60, 12144414), (69, 10560360), (72, 10120345), (90, 8096276), (92, 7920270), (115, 6336216), (120, 6072207), (138, 5280180), (180, 4048138), (184, 3960135), (207, 3520120), (230, 3168108), (276, 2640090), (345, 2112072), (360, 2024069), (414, 1760060), (460, 1584054), (552, 1320045), (690, 1056036), (828, 880030), (920, 792027), (1035, 704024), (1380, 528018), (1656, 440015), (2070, 352012), (2760, 264009), (4140, 176006), (8280, 88003)]