72239180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3517}}^1$

素因数の和:3618

約数の個数: 48

約数和(自身を含む): 165486720

約数和(自身を除く): 93247540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3517, 4108, 5135, 7034, 10270, 14068, 17585, 20540, 35170, 45721, 70340, 91442, 182884, 228605, 277843, 457210, 555686, 914420, 1111372, 1389215, 2778430, 3611959, 5556860, 7223918, 14447836, 18059795, 36119590, 72239180]

約数ペア:

[(1, 72239180), (2, 36119590), (4, 18059795), (5, 14447836), (10, 7223918), (13, 5556860), (20, 3611959), (26, 2778430), (52, 1389215), (65, 1111372), (79, 914420), (130, 555686), (158, 457210), (260, 277843), (316, 228605), (395, 182884), (790, 91442), (1027, 70340), (1580, 45721), (2054, 35170), (3517, 20540), (4108, 17585), (5135, 14068), (7034, 10270)]