264935680

素因数分解:

$2^8\times 5^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 637826112

約数和(自身を除く): 372890432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 263, 320, 526, 640, 787, 1052, 1280, 1315, 1574, 2104, 2630, 3148, 3935, 4208, 5260, 6296, 7870, 8416, 10520, 12592, 15740, 16832, 21040, 25184, 31480, 33664, 42080, 50368, 62960, 67328, 84160, 100736, 125920, 168320, 201472, 206981, 251840, 336640, 413962, 503680, 827924, 1007360, 1034905, 1655848, 2069810, 3311696, 4139620, 6623392, 8279240, 13246784, 16558480, 26493568, 33116960, 52987136, 66233920, 132467840, 264935680]

約数ペア:

[(1, 264935680), (2, 132467840), (4, 66233920), (5, 52987136), (8, 33116960), (10, 26493568), (16, 16558480), (20, 13246784), (32, 8279240), (40, 6623392), (64, 4139620), (80, 3311696), (128, 2069810), (160, 1655848), (256, 1034905), (263, 1007360), (320, 827924), (526, 503680), (640, 413962), (787, 336640), (1052, 251840), (1280, 206981), (1315, 201472), (1574, 168320), (2104, 125920), (2630, 100736), (3148, 84160), (3935, 67328), (4208, 62960), (5260, 50368), (6296, 42080), (7870, 33664), (8416, 31480), (10520, 25184), (12592, 21040), (15740, 16832)]