255881520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1283}}^1$

素因数の和:1579

約数の個数: 120

約数和(自身を含む): 863109936

約数和(自身を除く): 607228416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 277, 360, 554, 720, 831, 1108, 1283, 1385, 1662, 2216, 2493, 2566, 2770, 3324, 3849, 4155, 4432, 4986, 5132, 5540, 6415, 6648, 7698, 8310, 9972, 10264, 11080, 11547, 12465, 12830, 13296, 15396, 16620, 19245, 19944, 20528, 22160, 23094, 24930, 25660, 30792, 33240, 38490, 39888, 46188, 49860, 51320, 57735, 61584, 66480, 76980, 92376, 99720, 102640, 115470, 153960, 184752, 199440, 230940, 307920, 355391, 461880, 710782, 923760, 1066173, 1421564, 1776955, 2132346, 2843128, 3198519, 3553910, 4264692, 5330865, 5686256, 6397038, 7107820, 8529384, 10661730, 12794076, 14215640, 15992595, 17058768, 21323460, 25588152, 28431280, 31985190, 42646920, 51176304, 63970380, 85293840, 127940760, 255881520]

約数ペア:

[(1, 255881520), (2, 127940760), (3, 85293840), (4, 63970380), (5, 51176304), (6, 42646920), (8, 31985190), (9, 28431280), (10, 25588152), (12, 21323460), (15, 17058768), (16, 15992595), (18, 14215640), (20, 12794076), (24, 10661730), (30, 8529384), (36, 7107820), (40, 6397038), (45, 5686256), (48, 5330865), (60, 4264692), (72, 3553910), (80, 3198519), (90, 2843128), (120, 2132346), (144, 1776955), (180, 1421564), (240, 1066173), (277, 923760), (360, 710782), (554, 461880), (720, 355391), (831, 307920), (1108, 230940), (1283, 199440), (1385, 184752), (1662, 153960), (2216, 115470), (2493, 102640), (2566, 99720), (2770, 92376), (3324, 76980), (3849, 66480), (4155, 61584), (4432, 57735), (4986, 51320), (5132, 49860), (5540, 46188), (6415, 39888), (6648, 38490), (7698, 33240), (8310, 30792), (9972, 25660), (10264, 24930), (11080, 23094), (11547, 22160), (12465, 20528), (12830, 19944), (13296, 19245), (15396, 16620)]