21288000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{887}}^1$

素因数の和:917

約数の個数: 112

約数和(自身を含む): 70372224

約数和(自身を除く): 49084224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 750, 800, 887, 960, 1000, 1200, 1500, 1600, 1774, 2000, 2400, 2661, 3000, 3548, 4000, 4435, 4800, 5322, 6000, 7096, 8000, 8870, 10644, 12000, 13305, 14192, 17740, 21288, 22175, 24000, 26610, 28384, 35480, 42576, 44350, 53220, 56768, 66525, 70960, 85152, 88700, 106440, 110875, 133050, 141920, 170304, 177400, 212880, 221750, 266100, 283840, 332625, 354800, 425760, 443500, 532200, 665250, 709600, 851520, 887000, 1064400, 1330500, 1419200, 1774000, 2128800, 2661000, 3548000, 4257600, 5322000, 7096000, 10644000, 21288000]

約数ペア:

[(1, 21288000), (2, 10644000), (3, 7096000), (4, 5322000), (5, 4257600), (6, 3548000), (8, 2661000), (10, 2128800), (12, 1774000), (15, 1419200), (16, 1330500), (20, 1064400), (24, 887000), (25, 851520), (30, 709600), (32, 665250), (40, 532200), (48, 443500), (50, 425760), (60, 354800), (64, 332625), (75, 283840), (80, 266100), (96, 221750), (100, 212880), (120, 177400), (125, 170304), (150, 141920), (160, 133050), (192, 110875), (200, 106440), (240, 88700), (250, 85152), (300, 70960), (320, 66525), (375, 56768), (400, 53220), (480, 44350), (500, 42576), (600, 35480), (750, 28384), (800, 26610), (887, 24000), (960, 22175), (1000, 21288), (1200, 17740), (1500, 14192), (1600, 13305), (1774, 12000), (2000, 10644), (2400, 8870), (2661, 8000), (3000, 7096), (3548, 6000), (4000, 5322), (4435, 4800)]