31923840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1314

約数の個数: 128

約数和(自身を含む): 109670400

約数和(自身を除く): 77746560

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, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1279, 1560, 1664, 1920, 2080, 2496, 2558, 3120, 3837, 4160, 4992, 5116, 6240, 6395, 7674, 8320, 10232, 12480, 12790, 15348, 16627, 19185, 20464, 24960, 25580, 30696, 33254, 38370, 40928, 49881, 51160, 61392, 66508, 76740, 81856, 83135, 99762, 102320, 122784, 133016, 153480, 163712, 166270, 199524, 204640, 245568, 249405, 266032, 306960, 332540, 399048, 409280, 491136, 498810, 532064, 613920, 665080, 798096, 818560, 997620, 1064128, 1227840, 1330160, 1596192, 1995240, 2128256, 2455680, 2660320, 3192384, 3990480, 5320640, 6384768, 7980960, 10641280, 15961920, 31923840]

約数ペア:

[(1, 31923840), (2, 15961920), (3, 10641280), (4, 7980960), (5, 6384768), (6, 5320640), (8, 3990480), (10, 3192384), (12, 2660320), (13, 2455680), (15, 2128256), (16, 1995240), (20, 1596192), (24, 1330160), (26, 1227840), (30, 1064128), (32, 997620), (39, 818560), (40, 798096), (48, 665080), (52, 613920), (60, 532064), (64, 498810), (65, 491136), (78, 409280), (80, 399048), (96, 332540), (104, 306960), (120, 266032), (128, 249405), (130, 245568), (156, 204640), (160, 199524), (192, 166270), (195, 163712), (208, 153480), (240, 133016), (260, 122784), (312, 102320), (320, 99762), (384, 83135), (390, 81856), (416, 76740), (480, 66508), (520, 61392), (624, 51160), (640, 49881), (780, 40928), (832, 38370), (960, 33254), (1040, 30696), (1248, 25580), (1279, 24960), (1560, 20464), (1664, 19185), (1920, 16627), (2080, 15348), (2496, 12790), (2558, 12480), (3120, 10232), (3837, 8320), (4160, 7674), (4992, 6395), (5116, 6240)]