81478764

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:764

約数の個数: 96

約数和(自身を含む): 226464000

約数和(自身を除く): 144985236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 59, 76, 108, 114, 118, 171, 177, 228, 236, 342, 354, 513, 531, 673, 684, 708, 1026, 1062, 1121, 1346, 1593, 2019, 2052, 2124, 2242, 2692, 3186, 3363, 4038, 4484, 6057, 6372, 6726, 8076, 10089, 12114, 12787, 13452, 18171, 20178, 24228, 25574, 30267, 36342, 38361, 39707, 40356, 51148, 60534, 72684, 76722, 79414, 115083, 119121, 121068, 153444, 158828, 230166, 238242, 345249, 357363, 460332, 476484, 690498, 714726, 754433, 1072089, 1380996, 1429452, 1508866, 2144178, 2263299, 3017732, 4288356, 4526598, 6789897, 9053196, 13579794, 20369691, 27159588, 40739382, 81478764]

約数ペア:

[(1, 81478764), (2, 40739382), (3, 27159588), (4, 20369691), (6, 13579794), (9, 9053196), (12, 6789897), (18, 4526598), (19, 4288356), (27, 3017732), (36, 2263299), (38, 2144178), (54, 1508866), (57, 1429452), (59, 1380996), (76, 1072089), (108, 754433), (114, 714726), (118, 690498), (171, 476484), (177, 460332), (228, 357363), (236, 345249), (342, 238242), (354, 230166), (513, 158828), (531, 153444), (673, 121068), (684, 119121), (708, 115083), (1026, 79414), (1062, 76722), (1121, 72684), (1346, 60534), (1593, 51148), (2019, 40356), (2052, 39707), (2124, 38361), (2242, 36342), (2692, 30267), (3186, 25574), (3363, 24228), (4038, 20178), (4484, 18171), (6057, 13452), (6372, 12787), (6726, 12114), (8076, 10089)]