1990158768

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{354373}}^1$

素因数の和:354403

約数の個数: 80

約数和(自身を含む): 6151932640

約数和(自身を除く): 4161773872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 5616, 354373, 708746, 1063119, 1417492, 2126238, 2834984, 3189357, 4252476, 4606849, 5669968, 6378714, 8504952, 9213698, 9568071, 12757428, 13820547, 17009904, 18427396, 19136142, 25514856, 27641094, 36854792, 38272284, 41461641, 51029712, 55282188, 73709584, 76544568, 82923282, 110564376, 124384923, 153089136, 165846564, 221128752, 248769846, 331693128, 497539692, 663386256, 995079384, 1990158768]

約数ペア:

[(1, 1990158768), (2, 995079384), (3, 663386256), (4, 497539692), (6, 331693128), (8, 248769846), (9, 221128752), (12, 165846564), (13, 153089136), (16, 124384923), (18, 110564376), (24, 82923282), (26, 76544568), (27, 73709584), (36, 55282188), (39, 51029712), (48, 41461641), (52, 38272284), (54, 36854792), (72, 27641094), (78, 25514856), (104, 19136142), (108, 18427396), (117, 17009904), (144, 13820547), (156, 12757428), (208, 9568071), (216, 9213698), (234, 8504952), (312, 6378714), (351, 5669968), (432, 4606849), (468, 4252476), (624, 3189357), (702, 2834984), (936, 2126238), (1404, 1417492), (1872, 1063119), (2808, 708746), (5616, 354373)]