81960684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 219469824

約数和(自身を除く): 137509140

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 53, 69, 78, 92, 106, 138, 156, 159, 212, 276, 299, 318, 431, 598, 636, 689, 862, 897, 1196, 1219, 1293, 1378, 1724, 1794, 2067, 2438, 2586, 2756, 3588, 3657, 4134, 4876, 5172, 5603, 7314, 8268, 9913, 11206, 14628, 15847, 16809, 19826, 22412, 22843, 29739, 31694, 33618, 39652, 45686, 47541, 59478, 63388, 67236, 68529, 91372, 95082, 118956, 128869, 137058, 190164, 257738, 274116, 296959, 386607, 515476, 525389, 593918, 773214, 890877, 1050778, 1187836, 1546428, 1576167, 1781754, 2101556, 3152334, 3563508, 6304668, 6830057, 13660114, 20490171, 27320228, 40980342, 81960684]

約数ペア:

[(1, 81960684), (2, 40980342), (3, 27320228), (4, 20490171), (6, 13660114), (12, 6830057), (13, 6304668), (23, 3563508), (26, 3152334), (39, 2101556), (46, 1781754), (52, 1576167), (53, 1546428), (69, 1187836), (78, 1050778), (92, 890877), (106, 773214), (138, 593918), (156, 525389), (159, 515476), (212, 386607), (276, 296959), (299, 274116), (318, 257738), (431, 190164), (598, 137058), (636, 128869), (689, 118956), (862, 95082), (897, 91372), (1196, 68529), (1219, 67236), (1293, 63388), (1378, 59478), (1724, 47541), (1794, 45686), (2067, 39652), (2438, 33618), (2586, 31694), (2756, 29739), (3588, 22843), (3657, 22412), (4134, 19826), (4876, 16809), (5172, 15847), (5603, 14628), (7314, 11206), (8268, 9913)]