2128800000

素因数分解:

$2^8\times 3^1\times 5^5\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 216

約数和(自身を含む): 7089671232

約数和(自身を除く): 4960871232

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, 128, 150, 160, 192, 200, 240, 250, 256, 300, 320, 375, 384, 400, 480, 500, 600, 625, 640, 750, 768, 800, 887, 960, 1000, 1200, 1250, 1280, 1500, 1600, 1774, 1875, 1920, 2000, 2400, 2500, 2661, 3000, 3125, 3200, 3548, 3750, 3840, 4000, 4435, 4800, 5000, 5322, 6000, 6250, 6400, 7096, 7500, 8000, 8870, 9375, 9600, 10000, 10644, 12000, 12500, 13305, 14192, 15000, 16000, 17740, 18750, 19200, 20000, 21288, 22175, 24000, 25000, 26610, 28384, 30000, 32000, 35480, 37500, 40000, 42576, 44350, 48000, 50000, 53220, 56768, 60000, 66525, 70960, 75000, 80000, 85152, 88700, 96000, 100000, 106440, 110875, 113536, 120000, 133050, 141920, 150000, 160000, 170304, 177400, 200000, 212880, 221750, 227072, 240000, 266100, 283840, 300000, 332625, 340608, 354800, 400000, 425760, 443500, 480000, 532200, 554375, 567680, 600000, 665250, 681216, 709600, 800000, 851520, 887000, 1064400, 1108750, 1135360, 1200000, 1330500, 1419200, 1663125, 1703040, 1774000, 2128800, 2217500, 2400000, 2661000, 2771875, 2838400, 3326250, 3406080, 3548000, 4257600, 4435000, 5322000, 5543750, 5676800, 6652500, 7096000, 8315625, 8515200, 8870000, 10644000, 11087500, 13305000, 14192000, 16631250, 17030400, 17740000, 21288000, 22175000, 26610000, 28384000, 33262500, 35480000, 42576000, 44350000, 53220000, 66525000, 70960000, 85152000, 88700000, 106440000, 133050000, 141920000, 177400000, 212880000, 266100000, 354800000, 425760000, 532200000, 709600000, 1064400000, 2128800000]

約数ペア:

[(1, 2128800000), (2, 1064400000), (3, 709600000), (4, 532200000), (5, 425760000), (6, 354800000), (8, 266100000), (10, 212880000), (12, 177400000), (15, 141920000), (16, 133050000), (20, 106440000), (24, 88700000), (25, 85152000), (30, 70960000), (32, 66525000), (40, 53220000), (48, 44350000), (50, 42576000), (60, 35480000), (64, 33262500), (75, 28384000), (80, 26610000), (96, 22175000), (100, 21288000), (120, 17740000), (125, 17030400), (128, 16631250), (150, 14192000), (160, 13305000), (192, 11087500), (200, 10644000), (240, 8870000), (250, 8515200), (256, 8315625), (300, 7096000), (320, 6652500), (375, 5676800), (384, 5543750), (400, 5322000), (480, 4435000), (500, 4257600), (600, 3548000), (625, 3406080), (640, 3326250), (750, 2838400), (768, 2771875), (800, 2661000), (887, 2400000), (960, 2217500), (1000, 2128800), (1200, 1774000), (1250, 1703040), (1280, 1663125), (1500, 1419200), (1600, 1330500), (1774, 1200000), (1875, 1135360), (1920, 1108750), (2000, 1064400), (2400, 887000), (2500, 851520), (2661, 800000), (3000, 709600), (3125, 681216), (3200, 665250), (3548, 600000), (3750, 567680), (3840, 554375), (4000, 532200), (4435, 480000), (4800, 443500), (5000, 425760), (5322, 400000), (6000, 354800), (6250, 340608), (6400, 332625), (7096, 300000), (7500, 283840), (8000, 266100), (8870, 240000), (9375, 227072), (9600, 221750), (10000, 212880), (10644, 200000), (12000, 177400), (12500, 170304), (13305, 160000), (14192, 150000), (15000, 141920), (16000, 133050), (17740, 120000), (18750, 113536), (19200, 110875), (20000, 106440), (21288, 100000), (22175, 96000), (24000, 88700), (25000, 85152), (26610, 80000), (28384, 75000), (30000, 70960), (32000, 66525), (35480, 60000), (37500, 56768), (40000, 53220), (42576, 50000), (44350, 48000)]