81294768

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 245410880

約数和(自身を除く): 164116112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 43, 48, 57, 72, 76, 86, 114, 129, 144, 152, 171, 172, 228, 258, 304, 342, 344, 387, 456, 516, 684, 688, 691, 774, 817, 912, 1032, 1368, 1382, 1548, 1634, 2064, 2073, 2451, 2736, 2764, 3096, 3268, 4146, 4902, 5528, 6192, 6219, 6536, 7353, 8292, 9804, 11056, 12438, 13072, 13129, 14706, 16584, 19608, 24876, 26258, 29412, 29713, 33168, 39216, 39387, 49752, 52516, 58824, 59426, 78774, 89139, 99504, 105032, 117648, 118161, 118852, 157548, 178278, 210064, 236322, 237704, 267417, 315096, 356556, 472644, 475408, 534834, 564547, 630192, 713112, 945288, 1069668, 1129094, 1426224, 1693641, 1890576, 2139336, 2258188, 3387282, 4278672, 4516376, 5080923, 6774564, 9032752, 10161846, 13549128, 20323692, 27098256, 40647384, 81294768]

約数ペア:

[(1, 81294768), (2, 40647384), (3, 27098256), (4, 20323692), (6, 13549128), (8, 10161846), (9, 9032752), (12, 6774564), (16, 5080923), (18, 4516376), (19, 4278672), (24, 3387282), (36, 2258188), (38, 2139336), (43, 1890576), (48, 1693641), (57, 1426224), (72, 1129094), (76, 1069668), (86, 945288), (114, 713112), (129, 630192), (144, 564547), (152, 534834), (171, 475408), (172, 472644), (228, 356556), (258, 315096), (304, 267417), (342, 237704), (344, 236322), (387, 210064), (456, 178278), (516, 157548), (684, 118852), (688, 118161), (691, 117648), (774, 105032), (817, 99504), (912, 89139), (1032, 78774), (1368, 59426), (1382, 58824), (1548, 52516), (1634, 49752), (2064, 39387), (2073, 39216), (2451, 33168), (2736, 29713), (2764, 29412), (3096, 26258), (3268, 24876), (4146, 19608), (4902, 16584), (5528, 14706), (6192, 13129), (6219, 13072), (6536, 12438), (7353, 11056), (8292, 9804)]