159824980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 397393920

約数和(自身を除く): 237568940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 139, 140, 172, 191, 215, 278, 301, 382, 430, 556, 602, 695, 764, 860, 955, 973, 1204, 1337, 1390, 1505, 1910, 1946, 2674, 2780, 3010, 3820, 3892, 4865, 5348, 5977, 6020, 6685, 8213, 9730, 11954, 13370, 16426, 19460, 23908, 26549, 26740, 29885, 32852, 41065, 41839, 53098, 57491, 59770, 82130, 83678, 106196, 114982, 119540, 132745, 164260, 167356, 185843, 209195, 229964, 265490, 287455, 371686, 418390, 530980, 574910, 743372, 836780, 929215, 1141607, 1149820, 1858430, 2283214, 3716860, 4566428, 5708035, 7991249, 11416070, 15982498, 22832140, 31964996, 39956245, 79912490, 159824980]

約数ペア:

[(1, 159824980), (2, 79912490), (4, 39956245), (5, 31964996), (7, 22832140), (10, 15982498), (14, 11416070), (20, 7991249), (28, 5708035), (35, 4566428), (43, 3716860), (70, 2283214), (86, 1858430), (139, 1149820), (140, 1141607), (172, 929215), (191, 836780), (215, 743372), (278, 574910), (301, 530980), (382, 418390), (430, 371686), (556, 287455), (602, 265490), (695, 229964), (764, 209195), (860, 185843), (955, 167356), (973, 164260), (1204, 132745), (1337, 119540), (1390, 114982), (1505, 106196), (1910, 83678), (1946, 82130), (2674, 59770), (2780, 57491), (3010, 53098), (3820, 41839), (3892, 41065), (4865, 32852), (5348, 29885), (5977, 26740), (6020, 26549), (6685, 23908), (8213, 19460), (9730, 16426), (11954, 13370)]