81319536

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 243424896

約数和(自身を除く): 162105360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 43, 46, 48, 69, 72, 86, 92, 129, 138, 144, 172, 184, 207, 258, 276, 344, 368, 387, 414, 516, 552, 571, 688, 774, 828, 989, 1032, 1104, 1142, 1548, 1656, 1713, 1978, 2064, 2284, 2967, 3096, 3312, 3426, 3956, 4568, 5139, 5934, 6192, 6852, 7912, 8901, 9136, 10278, 11868, 13133, 13704, 15824, 17802, 20556, 23736, 24553, 26266, 27408, 35604, 39399, 41112, 47472, 49106, 52532, 71208, 73659, 78798, 82224, 98212, 105064, 118197, 142416, 147318, 157596, 196424, 210128, 220977, 236394, 294636, 315192, 392848, 441954, 472788, 564719, 589272, 630384, 883908, 945576, 1129438, 1178544, 1694157, 1767816, 1891152, 2258876, 3388314, 3535632, 4517752, 5082471, 6776628, 9035504, 10164942, 13553256, 20329884, 27106512, 40659768, 81319536]

約数ペア:

[(1, 81319536), (2, 40659768), (3, 27106512), (4, 20329884), (6, 13553256), (8, 10164942), (9, 9035504), (12, 6776628), (16, 5082471), (18, 4517752), (23, 3535632), (24, 3388314), (36, 2258876), (43, 1891152), (46, 1767816), (48, 1694157), (69, 1178544), (72, 1129438), (86, 945576), (92, 883908), (129, 630384), (138, 589272), (144, 564719), (172, 472788), (184, 441954), (207, 392848), (258, 315192), (276, 294636), (344, 236394), (368, 220977), (387, 210128), (414, 196424), (516, 157596), (552, 147318), (571, 142416), (688, 118197), (774, 105064), (828, 98212), (989, 82224), (1032, 78798), (1104, 73659), (1142, 71208), (1548, 52532), (1656, 49106), (1713, 47472), (1978, 41112), (2064, 39399), (2284, 35604), (2967, 27408), (3096, 26266), (3312, 24553), (3426, 23736), (3956, 20556), (4568, 17802), (5139, 15824), (5934, 13704), (6192, 13133), (6852, 11868), (7912, 10278), (8901, 9136)]