71811040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 96

約数和(自身を含む): 196185024

約数和(自身を除く): 124373984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 160, 194, 224, 280, 388, 485, 560, 661, 679, 776, 970, 1120, 1322, 1358, 1552, 1940, 2644, 2716, 3104, 3305, 3395, 3880, 4627, 5288, 5432, 6610, 6790, 7760, 9254, 10576, 10864, 13220, 13580, 15520, 18508, 21152, 21728, 23135, 26440, 27160, 37016, 46270, 52880, 54320, 64117, 74032, 92540, 105760, 108640, 128234, 148064, 185080, 256468, 320585, 370160, 448819, 512936, 641170, 740320, 897638, 1025872, 1282340, 1795276, 2051744, 2244095, 2564680, 3590552, 4488190, 5129360, 7181104, 8976380, 10258720, 14362208, 17952760, 35905520, 71811040]

約数ペア:

[(1, 71811040), (2, 35905520), (4, 17952760), (5, 14362208), (7, 10258720), (8, 8976380), (10, 7181104), (14, 5129360), (16, 4488190), (20, 3590552), (28, 2564680), (32, 2244095), (35, 2051744), (40, 1795276), (56, 1282340), (70, 1025872), (80, 897638), (97, 740320), (112, 641170), (140, 512936), (160, 448819), (194, 370160), (224, 320585), (280, 256468), (388, 185080), (485, 148064), (560, 128234), (661, 108640), (679, 105760), (776, 92540), (970, 74032), (1120, 64117), (1322, 54320), (1358, 52880), (1552, 46270), (1940, 37016), (2644, 27160), (2716, 26440), (3104, 23135), (3305, 21728), (3395, 21152), (3880, 18508), (4627, 15520), (5288, 13580), (5432, 13220), (6610, 10864), (6790, 10576), (7760, 9254)]