20790460800

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{721891}}^1$

素因数の和:721921

約数の個数: 144

約数和(自身を含む): 74185231380

約数和(自身を除く): 53394770580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 800, 900, 960, 1152, 1200, 1440, 1600, 1800, 1920, 2400, 2880, 3200, 3600, 4800, 5760, 7200, 9600, 14400, 28800, 721891, 1443782, 2165673, 2887564, 3609455, 4331346, 5775128, 6497019, 7218910, 8662692, 10828365, 11550256, 12994038, 14437820, 17325384, 18047275, 21656730, 23100512, 25988076, 28875640, 32485095, 34650768, 36094550, 43313460, 46201024, 51976152, 54141825, 57751280, 64970190, 69301536, 72189100, 86626920, 92402048, 103952304, 108283650, 115502560, 129940380, 138603072, 144378200, 162425475, 173253840, 207904608, 216567300, 231005120, 259880760, 277206144, 288756400, 324850950, 346507680, 415809216, 433134600, 462010240, 519761520, 577512800, 649701900, 693015360, 831618432, 866269200, 1039523040, 1155025600, 1299403800, 1386030720, 1732538400, 2079046080, 2310051200, 2598807600, 3465076800, 4158092160, 5197615200, 6930153600, 10395230400, 20790460800]

約数ペア:

[(1, 20790460800), (2, 10395230400), (3, 6930153600), (4, 5197615200), (5, 4158092160), (6, 3465076800), (8, 2598807600), (9, 2310051200), (10, 2079046080), (12, 1732538400), (15, 1386030720), (16, 1299403800), (18, 1155025600), (20, 1039523040), (24, 866269200), (25, 831618432), (30, 693015360), (32, 649701900), (36, 577512800), (40, 519761520), (45, 462010240), (48, 433134600), (50, 415809216), (60, 346507680), (64, 324850950), (72, 288756400), (75, 277206144), (80, 259880760), (90, 231005120), (96, 216567300), (100, 207904608), (120, 173253840), (128, 162425475), (144, 144378200), (150, 138603072), (160, 129940380), (180, 115502560), (192, 108283650), (200, 103952304), (225, 92402048), (240, 86626920), (288, 72189100), (300, 69301536), (320, 64970190), (360, 57751280), (384, 54141825), (400, 51976152), (450, 46201024), (480, 43313460), (576, 36094550), (600, 34650768), (640, 32485095), (720, 28875640), (800, 25988076), (900, 23100512), (960, 21656730), (1152, 18047275), (1200, 17325384), (1440, 14437820), (1600, 12994038), (1800, 11550256), (1920, 10828365), (2400, 8662692), (2880, 7218910), (3200, 6497019), (3600, 5775128), (4800, 4331346), (5760, 3609455), (7200, 2887564), (9600, 2165673), (14400, 1443782), (28800, 721891)]