71720190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27479}}^1$

素因数の和:27521

約数の個数: 48

約数和(自身を含む): 192909600

約数和(自身を除く): 121189410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 27479, 54958, 82437, 137395, 164874, 247311, 274790, 412185, 494622, 796891, 824370, 1236555, 1593782, 2390673, 2473110, 3984455, 4781346, 7172019, 7968910, 11953365, 14344038, 23906730, 35860095, 71720190]

約数ペア:

[(1, 71720190), (2, 35860095), (3, 23906730), (5, 14344038), (6, 11953365), (9, 7968910), (10, 7172019), (15, 4781346), (18, 3984455), (29, 2473110), (30, 2390673), (45, 1593782), (58, 1236555), (87, 824370), (90, 796891), (145, 494622), (174, 412185), (261, 274790), (290, 247311), (435, 164874), (522, 137395), (870, 82437), (1305, 54958), (2610, 27479)]