81630432

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21803}}^1$

素因数の和:21832

約数の個数: 72

約数和(自身を含む): 250004664

約数和(自身を除く): 168374232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21803, 43606, 65409, 87212, 130818, 174424, 196227, 261636, 283439, 348848, 392454, 523272, 566878, 697696, 784908, 850317, 1046544, 1133756, 1569816, 1700634, 2093088, 2267512, 2550951, 3139632, 3401268, 4535024, 5101902, 6279264, 6802536, 9070048, 10203804, 13605072, 20407608, 27210144, 40815216, 81630432]

約数ペア:

[(1, 81630432), (2, 40815216), (3, 27210144), (4, 20407608), (6, 13605072), (8, 10203804), (9, 9070048), (12, 6802536), (13, 6279264), (16, 5101902), (18, 4535024), (24, 3401268), (26, 3139632), (32, 2550951), (36, 2267512), (39, 2093088), (48, 1700634), (52, 1569816), (72, 1133756), (78, 1046544), (96, 850317), (104, 784908), (117, 697696), (144, 566878), (156, 523272), (208, 392454), (234, 348848), (288, 283439), (312, 261636), (416, 196227), (468, 174424), (624, 130818), (936, 87212), (1248, 65409), (1872, 43606), (3744, 21803)]