1646922160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{15679}}^1$

素因数の和:15806

約数の個数: 80

約数和(自身を含む): 4164733440

約数和(自身を除く): 2517811280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2626, 4040, 5252, 6565, 8080, 10504, 13130, 15679, 21008, 26260, 31358, 52520, 62716, 78395, 105040, 125432, 156790, 203827, 250864, 313580, 407654, 627160, 815308, 1019135, 1254320, 1583579, 1630616, 2038270, 3167158, 3261232, 4076540, 6334316, 7917895, 8153080, 12668632, 15835790, 16306160, 20586527, 25337264, 31671580, 41173054, 63343160, 82346108, 102932635, 126686320, 164692216, 205865270, 329384432, 411730540, 823461080, 1646922160]

約数ペア:

[(1, 1646922160), (2, 823461080), (4, 411730540), (5, 329384432), (8, 205865270), (10, 164692216), (13, 126686320), (16, 102932635), (20, 82346108), (26, 63343160), (40, 41173054), (52, 31671580), (65, 25337264), (80, 20586527), (101, 16306160), (104, 15835790), (130, 12668632), (202, 8153080), (208, 7917895), (260, 6334316), (404, 4076540), (505, 3261232), (520, 3167158), (808, 2038270), (1010, 1630616), (1040, 1583579), (1313, 1254320), (1616, 1019135), (2020, 815308), (2626, 627160), (4040, 407654), (5252, 313580), (6565, 250864), (8080, 203827), (10504, 156790), (13130, 125432), (15679, 105040), (21008, 78395), (26260, 62716), (31358, 52520)]