81599904

素因数分解:

$2^5\times 3^2\times {\mathrm{421}}^1\times {\mathrm{673}}^1$

素因数の和:1110

約数の個数: 72

約数和(自身を含む): 232946532

約数和(自身を除く): 151346628

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 421, 673, 842, 1263, 1346, 1684, 2019, 2526, 2692, 3368, 3789, 4038, 5052, 5384, 6057, 6736, 7578, 8076, 10104, 10768, 12114, 13472, 15156, 16152, 20208, 21536, 24228, 30312, 32304, 40416, 48456, 60624, 64608, 96912, 121248, 193824, 283333, 566666, 849999, 1133332, 1699998, 2266664, 2549997, 3399996, 4533328, 5099994, 6799992, 9066656, 10199988, 13599984, 20399976, 27199968, 40799952, 81599904]

約数ペア:

[(1, 81599904), (2, 40799952), (3, 27199968), (4, 20399976), (6, 13599984), (8, 10199988), (9, 9066656), (12, 6799992), (16, 5099994), (18, 4533328), (24, 3399996), (32, 2549997), (36, 2266664), (48, 1699998), (72, 1133332), (96, 849999), (144, 566666), (288, 283333), (421, 193824), (673, 121248), (842, 96912), (1263, 64608), (1346, 60624), (1684, 48456), (2019, 40416), (2526, 32304), (2692, 30312), (3368, 24228), (3789, 21536), (4038, 20208), (5052, 16152), (5384, 15156), (6057, 13472), (6736, 12114), (7578, 10768), (8076, 10104)]