123978240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{5381}}^1$

素因数の和:5410

約数の個数: 120

約数和(自身を含む): 429451308

約数和(自身を除く): 305473068

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5381, 5760, 7680, 10762, 11520, 16143, 21524, 23040, 26905, 32286, 43048, 48429, 53810, 64572, 80715, 86096, 96858, 107620, 129144, 161430, 172192, 193716, 215240, 242145, 258288, 322860, 344384, 387432, 430480, 484290, 516576, 645720, 688768, 774864, 860960, 968580, 1033152, 1291440, 1377536, 1549728, 1721920, 1937160, 2066304, 2582880, 2755072, 3099456, 3443840, 3874320, 4132608, 5165760, 6198912, 6887680, 7748640, 8265216, 10331520, 12397824, 13775360, 15497280, 20663040, 24795648, 30994560, 41326080, 61989120, 123978240]

約数ペア:

[(1, 123978240), (2, 61989120), (3, 41326080), (4, 30994560), (5, 24795648), (6, 20663040), (8, 15497280), (9, 13775360), (10, 12397824), (12, 10331520), (15, 8265216), (16, 7748640), (18, 6887680), (20, 6198912), (24, 5165760), (30, 4132608), (32, 3874320), (36, 3443840), (40, 3099456), (45, 2755072), (48, 2582880), (60, 2066304), (64, 1937160), (72, 1721920), (80, 1549728), (90, 1377536), (96, 1291440), (120, 1033152), (128, 968580), (144, 860960), (160, 774864), (180, 688768), (192, 645720), (240, 516576), (256, 484290), (288, 430480), (320, 387432), (360, 344384), (384, 322860), (480, 258288), (512, 242145), (576, 215240), (640, 193716), (720, 172192), (768, 161430), (960, 129144), (1152, 107620), (1280, 96858), (1440, 86096), (1536, 80715), (1920, 64572), (2304, 53810), (2560, 48429), (2880, 43048), (3840, 32286), (4608, 26905), (5381, 23040), (5760, 21524), (7680, 16143), (10762, 11520)]