15961920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1312

約数の個数: 112

約数和(自身を含む): 54620160

約数和(自身を除く): 38658240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1279, 1560, 2080, 2496, 2558, 3120, 3837, 4160, 5116, 6240, 6395, 7674, 10232, 12480, 12790, 15348, 16627, 19185, 20464, 25580, 30696, 33254, 38370, 40928, 49881, 51160, 61392, 66508, 76740, 81856, 83135, 99762, 102320, 122784, 133016, 153480, 166270, 199524, 204640, 245568, 249405, 266032, 306960, 332540, 399048, 409280, 498810, 532064, 613920, 665080, 798096, 997620, 1064128, 1227840, 1330160, 1596192, 1995240, 2660320, 3192384, 3990480, 5320640, 7980960, 15961920]

約数ペア:

[(1, 15961920), (2, 7980960), (3, 5320640), (4, 3990480), (5, 3192384), (6, 2660320), (8, 1995240), (10, 1596192), (12, 1330160), (13, 1227840), (15, 1064128), (16, 997620), (20, 798096), (24, 665080), (26, 613920), (30, 532064), (32, 498810), (39, 409280), (40, 399048), (48, 332540), (52, 306960), (60, 266032), (64, 249405), (65, 245568), (78, 204640), (80, 199524), (96, 166270), (104, 153480), (120, 133016), (130, 122784), (156, 102320), (160, 99762), (192, 83135), (195, 81856), (208, 76740), (240, 66508), (260, 61392), (312, 51160), (320, 49881), (390, 40928), (416, 38370), (480, 33254), (520, 30696), (624, 25580), (780, 20464), (832, 19185), (960, 16627), (1040, 15348), (1248, 12790), (1279, 12480), (1560, 10232), (2080, 7674), (2496, 6395), (2558, 6240), (3120, 5116), (3837, 4160)]