81055680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3671}}^1$

素因数の和:3714

約数の個数: 112

約数和(自身を含む): 268614144

約数和(自身を除く): 187558464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 2208, 2760, 3671, 3680, 4416, 5520, 7342, 7360, 11013, 11040, 14684, 18355, 22026, 22080, 29368, 36710, 44052, 55065, 58736, 73420, 84433, 88104, 110130, 117472, 146840, 168866, 176208, 220260, 234944, 253299, 293680, 337732, 352416, 422165, 440520, 506598, 587360, 675464, 704832, 844330, 881040, 1013196, 1174720, 1266495, 1350928, 1688660, 1762080, 2026392, 2532990, 2701856, 3377320, 3524160, 4052784, 5065980, 5403712, 6754640, 8105568, 10131960, 13509280, 16211136, 20263920, 27018560, 40527840, 81055680]

約数ペア:

[(1, 81055680), (2, 40527840), (3, 27018560), (4, 20263920), (5, 16211136), (6, 13509280), (8, 10131960), (10, 8105568), (12, 6754640), (15, 5403712), (16, 5065980), (20, 4052784), (23, 3524160), (24, 3377320), (30, 2701856), (32, 2532990), (40, 2026392), (46, 1762080), (48, 1688660), (60, 1350928), (64, 1266495), (69, 1174720), (80, 1013196), (92, 881040), (96, 844330), (115, 704832), (120, 675464), (138, 587360), (160, 506598), (184, 440520), (192, 422165), (230, 352416), (240, 337732), (276, 293680), (320, 253299), (345, 234944), (368, 220260), (460, 176208), (480, 168866), (552, 146840), (690, 117472), (736, 110130), (920, 88104), (960, 84433), (1104, 73420), (1380, 58736), (1472, 55065), (1840, 44052), (2208, 36710), (2760, 29368), (3671, 22080), (3680, 22026), (4416, 18355), (5520, 14684), (7342, 11040), (7360, 11013)]