80391660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 239715840

約数和(自身を除く): 159324180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 97, 114, 190, 194, 228, 285, 291, 380, 388, 485, 570, 582, 727, 970, 1140, 1164, 1454, 1455, 1843, 1940, 2181, 2908, 2910, 3635, 3686, 4362, 5529, 5820, 7270, 7372, 8724, 9215, 10905, 11058, 13813, 14540, 18430, 21810, 22116, 27626, 27645, 36860, 41439, 43620, 55252, 55290, 69065, 70519, 82878, 110580, 138130, 141038, 165756, 207195, 211557, 276260, 282076, 352595, 414390, 423114, 705190, 828780, 846228, 1057785, 1339861, 1410380, 2115570, 2679722, 4019583, 4231140, 5359444, 6699305, 8039166, 13398610, 16078332, 20097915, 26797220, 40195830, 80391660]

約数ペア:

[(1, 80391660), (2, 40195830), (3, 26797220), (4, 20097915), (5, 16078332), (6, 13398610), (10, 8039166), (12, 6699305), (15, 5359444), (19, 4231140), (20, 4019583), (30, 2679722), (38, 2115570), (57, 1410380), (60, 1339861), (76, 1057785), (95, 846228), (97, 828780), (114, 705190), (190, 423114), (194, 414390), (228, 352595), (285, 282076), (291, 276260), (380, 211557), (388, 207195), (485, 165756), (570, 141038), (582, 138130), (727, 110580), (970, 82878), (1140, 70519), (1164, 69065), (1454, 55290), (1455, 55252), (1843, 43620), (1940, 41439), (2181, 36860), (2908, 27645), (2910, 27626), (3635, 22116), (3686, 21810), (4362, 18430), (5529, 14540), (5820, 13813), (7270, 11058), (7372, 10905), (8724, 9215)]