81228456

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 231678720

約数和(自身を除く): 150450264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 181, 184, 207, 271, 276, 362, 414, 542, 543, 552, 724, 813, 828, 1084, 1086, 1448, 1626, 1629, 1656, 2168, 2172, 2439, 3252, 3258, 4163, 4344, 4878, 6233, 6504, 6516, 8326, 9756, 12466, 12489, 13032, 16652, 18699, 19512, 24932, 24978, 33304, 37398, 37467, 49051, 49864, 49956, 56097, 74796, 74934, 98102, 99912, 112194, 147153, 149592, 149868, 196204, 224388, 294306, 299736, 392408, 441459, 448776, 588612, 882918, 1128173, 1177224, 1765836, 2256346, 3384519, 3531672, 4512692, 6769038, 9025384, 10153557, 13538076, 20307114, 27076152, 40614228, 81228456]

約数ペア:

[(1, 81228456), (2, 40614228), (3, 27076152), (4, 20307114), (6, 13538076), (8, 10153557), (9, 9025384), (12, 6769038), (18, 4512692), (23, 3531672), (24, 3384519), (36, 2256346), (46, 1765836), (69, 1177224), (72, 1128173), (92, 882918), (138, 588612), (181, 448776), (184, 441459), (207, 392408), (271, 299736), (276, 294306), (362, 224388), (414, 196204), (542, 149868), (543, 149592), (552, 147153), (724, 112194), (813, 99912), (828, 98102), (1084, 74934), (1086, 74796), (1448, 56097), (1626, 49956), (1629, 49864), (1656, 49051), (2168, 37467), (2172, 37398), (2439, 33304), (3252, 24978), (3258, 24932), (4163, 19512), (4344, 18699), (4878, 16652), (6233, 13032), (6504, 12489), (6516, 12466), (8326, 9756)]