81469872

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1$

素因数の和:2751

約数の個数: 120

約数和(自身を含む): 261917760

約数和(自身を除く): 180447888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 304, 342, 396, 418, 456, 528, 627, 684, 792, 836, 912, 1254, 1368, 1584, 1672, 1881, 2508, 2707, 2736, 3344, 3762, 5016, 5414, 7524, 8121, 10032, 10828, 15048, 16242, 21656, 24363, 29777, 30096, 32484, 43312, 48726, 51433, 59554, 64968, 89331, 97452, 102866, 119108, 129936, 154299, 178662, 194904, 205732, 238216, 267993, 308598, 357324, 389808, 411464, 462897, 476432, 535986, 565763, 617196, 714648, 822928, 925794, 1071972, 1131526, 1234392, 1429296, 1697289, 1851588, 2143944, 2263052, 2468784, 3394578, 3703176, 4287888, 4526104, 5091867, 6789156, 7406352, 9052208, 10183734, 13578312, 20367468, 27156624, 40734936, 81469872]

約数ペア:

[(1, 81469872), (2, 40734936), (3, 27156624), (4, 20367468), (6, 13578312), (8, 10183734), (9, 9052208), (11, 7406352), (12, 6789156), (16, 5091867), (18, 4526104), (19, 4287888), (22, 3703176), (24, 3394578), (33, 2468784), (36, 2263052), (38, 2143944), (44, 1851588), (48, 1697289), (57, 1429296), (66, 1234392), (72, 1131526), (76, 1071972), (88, 925794), (99, 822928), (114, 714648), (132, 617196), (144, 565763), (152, 535986), (171, 476432), (176, 462897), (198, 411464), (209, 389808), (228, 357324), (264, 308598), (304, 267993), (342, 238216), (396, 205732), (418, 194904), (456, 178662), (528, 154299), (627, 129936), (684, 119108), (792, 102866), (836, 97452), (912, 89331), (1254, 64968), (1368, 59554), (1584, 51433), (1672, 48726), (1881, 43312), (2508, 32484), (2707, 30096), (2736, 29777), (3344, 24363), (3762, 21656), (5016, 16242), (5414, 15048), (7524, 10828), (8121, 10032)]