81748440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1143

約数の個数: 160

約数和(自身を含む): 286973280

約数和(自身を除く): 205224840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 276, 324, 345, 360, 405, 414, 460, 540, 552, 621, 648, 690, 810, 828, 920, 1035, 1080, 1097, 1242, 1380, 1620, 1656, 1863, 2070, 2194, 2484, 2760, 3105, 3240, 3291, 3726, 4140, 4388, 4968, 5485, 6210, 6582, 7452, 8280, 8776, 9315, 9873, 10970, 12420, 13164, 14904, 16455, 18630, 19746, 21940, 24840, 25231, 26328, 29619, 32910, 37260, 39492, 43880, 49365, 50462, 59238, 65820, 74520, 75693, 78984, 88857, 98730, 100924, 118476, 126155, 131640, 148095, 151386, 177714, 197460, 201848, 227079, 236952, 252310, 296190, 302772, 355428, 378465, 394920, 444285, 454158, 504620, 592380, 605544, 681237, 710856, 756930, 888570, 908316, 1009240, 1135395, 1184760, 1362474, 1513860, 1777140, 1816632, 2043711, 2270790, 2724948, 3027720, 3406185, 3554280, 4087422, 4541580, 5449896, 6812370, 8174844, 9083160, 10218555, 13624740, 16349688, 20437110, 27249480, 40874220, 81748440]

約数ペア:

[(1, 81748440), (2, 40874220), (3, 27249480), (4, 20437110), (5, 16349688), (6, 13624740), (8, 10218555), (9, 9083160), (10, 8174844), (12, 6812370), (15, 5449896), (18, 4541580), (20, 4087422), (23, 3554280), (24, 3406185), (27, 3027720), (30, 2724948), (36, 2270790), (40, 2043711), (45, 1816632), (46, 1777140), (54, 1513860), (60, 1362474), (69, 1184760), (72, 1135395), (81, 1009240), (90, 908316), (92, 888570), (108, 756930), (115, 710856), (120, 681237), (135, 605544), (138, 592380), (162, 504620), (180, 454158), (184, 444285), (207, 394920), (216, 378465), (230, 355428), (270, 302772), (276, 296190), (324, 252310), (345, 236952), (360, 227079), (405, 201848), (414, 197460), (460, 177714), (540, 151386), (552, 148095), (621, 131640), (648, 126155), (690, 118476), (810, 100924), (828, 98730), (920, 88857), (1035, 78984), (1080, 75693), (1097, 74520), (1242, 65820), (1380, 59238), (1620, 50462), (1656, 49365), (1863, 43880), (2070, 39492), (2194, 37260), (2484, 32910), (2760, 29619), (3105, 26328), (3240, 25231), (3291, 24840), (3726, 21940), (4140, 19746), (4388, 18630), (4968, 16455), (5485, 14904), (6210, 13164), (6582, 12420), (7452, 10970), (8280, 9873), (8776, 9315)]