81597456

素因数分解:

$2^4\times 3^5\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 244817664

約数和(自身を除く): 163220208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 186, 216, 243, 248, 279, 324, 372, 432, 486, 496, 558, 648, 677, 744, 837, 972, 1116, 1296, 1354, 1488, 1674, 1944, 2031, 2232, 2511, 2708, 3348, 3888, 4062, 4464, 5022, 5416, 6093, 6696, 7533, 8124, 10044, 10832, 12186, 13392, 15066, 16248, 18279, 20088, 20987, 24372, 30132, 32496, 36558, 40176, 41974, 48744, 54837, 60264, 62961, 73116, 83948, 97488, 109674, 120528, 125922, 146232, 164511, 167896, 188883, 219348, 251844, 292464, 329022, 335792, 377766, 438696, 503688, 566649, 658044, 755532, 877392, 1007376, 1133298, 1316088, 1511064, 1699947, 2266596, 2632176, 3022128, 3399894, 4533192, 5099841, 6799788, 9066384, 10199682, 13599576, 20399364, 27199152, 40798728, 81597456]

約数ペア:

[(1, 81597456), (2, 40798728), (3, 27199152), (4, 20399364), (6, 13599576), (8, 10199682), (9, 9066384), (12, 6799788), (16, 5099841), (18, 4533192), (24, 3399894), (27, 3022128), (31, 2632176), (36, 2266596), (48, 1699947), (54, 1511064), (62, 1316088), (72, 1133298), (81, 1007376), (93, 877392), (108, 755532), (124, 658044), (144, 566649), (162, 503688), (186, 438696), (216, 377766), (243, 335792), (248, 329022), (279, 292464), (324, 251844), (372, 219348), (432, 188883), (486, 167896), (496, 164511), (558, 146232), (648, 125922), (677, 120528), (744, 109674), (837, 97488), (972, 83948), (1116, 73116), (1296, 62961), (1354, 60264), (1488, 54837), (1674, 48744), (1944, 41974), (2031, 40176), (2232, 36558), (2511, 32496), (2708, 30132), (3348, 24372), (3888, 20987), (4062, 20088), (4464, 18279), (5022, 16248), (5416, 15066), (6093, 13392), (6696, 12186), (7533, 10832), (8124, 10044)]