81683568

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15331}}^1$

素因数の和:15382

約数の個数: 60

約数和(自身を含む): 234794248

約数和(自身を除く): 153110680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 5328, 15331, 30662, 45993, 61324, 91986, 122648, 137979, 183972, 245296, 275958, 367944, 551916, 567247, 735888, 1103832, 1134494, 1701741, 2207664, 2268988, 3403482, 4537976, 5105223, 6806964, 9075952, 10210446, 13613928, 20420892, 27227856, 40841784, 81683568]

約数ペア:

[(1, 81683568), (2, 40841784), (3, 27227856), (4, 20420892), (6, 13613928), (8, 10210446), (9, 9075952), (12, 6806964), (16, 5105223), (18, 4537976), (24, 3403482), (36, 2268988), (37, 2207664), (48, 1701741), (72, 1134494), (74, 1103832), (111, 735888), (144, 567247), (148, 551916), (222, 367944), (296, 275958), (333, 245296), (444, 183972), (592, 137979), (666, 122648), (888, 91986), (1332, 61324), (1776, 45993), (2664, 30662), (5328, 15331)]