81000912

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 217486080

約数和(自身を除く): 136485168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 79, 82, 123, 158, 164, 237, 246, 316, 328, 474, 492, 521, 632, 656, 948, 984, 1042, 1264, 1563, 1896, 1968, 2084, 3126, 3239, 3792, 4168, 6252, 6478, 8336, 9717, 12504, 12956, 19434, 21361, 25008, 25912, 38868, 41159, 42722, 51824, 64083, 77736, 82318, 85444, 123477, 128166, 155472, 164636, 170888, 246954, 256332, 329272, 341776, 493908, 512664, 658544, 987816, 1025328, 1687519, 1975632, 3375038, 5062557, 6750076, 10125114, 13500152, 20250228, 27000304, 40500456, 81000912]

約数ペア:

[(1, 81000912), (2, 40500456), (3, 27000304), (4, 20250228), (6, 13500152), (8, 10125114), (12, 6750076), (16, 5062557), (24, 3375038), (41, 1975632), (48, 1687519), (79, 1025328), (82, 987816), (123, 658544), (158, 512664), (164, 493908), (237, 341776), (246, 329272), (316, 256332), (328, 246954), (474, 170888), (492, 164636), (521, 155472), (632, 128166), (656, 123477), (948, 85444), (984, 82318), (1042, 77736), (1264, 64083), (1563, 51824), (1896, 42722), (1968, 41159), (2084, 38868), (3126, 25912), (3239, 25008), (3792, 21361), (4168, 19434), (6252, 12956), (6478, 12504), (8336, 9717)]