81461664

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14887}}^1$

素因数の和:14922

約数の個数: 72

約数和(自身を含む): 243865440

約数和(自身を除く): 162403776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 14887, 29774, 44661, 59548, 89322, 119096, 133983, 178644, 238192, 267966, 282853, 357288, 476384, 535932, 565706, 714576, 848559, 1071864, 1131412, 1429152, 1697118, 2143728, 2262824, 2545677, 3394236, 4287456, 4525648, 5091354, 6788472, 9051296, 10182708, 13576944, 20365416, 27153888, 40730832, 81461664]

約数ペア:

[(1, 81461664), (2, 40730832), (3, 27153888), (4, 20365416), (6, 13576944), (8, 10182708), (9, 9051296), (12, 6788472), (16, 5091354), (18, 4525648), (19, 4287456), (24, 3394236), (32, 2545677), (36, 2262824), (38, 2143728), (48, 1697118), (57, 1429152), (72, 1131412), (76, 1071864), (96, 848559), (114, 714576), (144, 565706), (152, 535932), (171, 476384), (228, 357288), (288, 282853), (304, 267966), (342, 238192), (456, 178644), (608, 133983), (684, 119096), (912, 89322), (1368, 59548), (1824, 44661), (2736, 29774), (5472, 14887)]