79318960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1178

約数の個数: 80

約数和(自身を含む): 212486400

約数和(自身を除く): 133167440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1019, 1112, 1390, 1946, 2038, 2224, 2780, 3892, 4076, 4865, 5095, 5560, 7133, 7784, 8152, 9730, 10190, 11120, 14266, 15568, 16304, 19460, 20380, 28532, 35665, 38920, 40760, 57064, 71330, 77840, 81520, 114128, 141641, 142660, 283282, 285320, 566564, 570640, 708205, 991487, 1133128, 1416410, 1982974, 2266256, 2832820, 3965948, 4957435, 5665640, 7931896, 9914870, 11331280, 15863792, 19829740, 39659480, 79318960]

約数ペア:

[(1, 79318960), (2, 39659480), (4, 19829740), (5, 15863792), (7, 11331280), (8, 9914870), (10, 7931896), (14, 5665640), (16, 4957435), (20, 3965948), (28, 2832820), (35, 2266256), (40, 1982974), (56, 1416410), (70, 1133128), (80, 991487), (112, 708205), (139, 570640), (140, 566564), (278, 285320), (280, 283282), (556, 142660), (560, 141641), (695, 114128), (973, 81520), (1019, 77840), (1112, 71330), (1390, 57064), (1946, 40760), (2038, 38920), (2224, 35665), (2780, 28532), (3892, 20380), (4076, 19460), (4865, 16304), (5095, 15568), (5560, 14266), (7133, 11120), (7784, 10190), (8152, 9730)]