19977600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{2081}}^1$

素因数の和:2108

約数の個数: 96

約数和(自身を含む): 65832840

約数和(自身を除く): 45855240

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, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2081, 2400, 3200, 4162, 4800, 6243, 8324, 9600, 10405, 12486, 16648, 20810, 24972, 31215, 33296, 41620, 49944, 52025, 62430, 66592, 83240, 99888, 104050, 124860, 133184, 156075, 166480, 199776, 208100, 249720, 266368, 312150, 332960, 399552, 416200, 499440, 624300, 665920, 799104, 832400, 998880, 1248600, 1331840, 1664800, 1997760, 2497200, 3329600, 3995520, 4994400, 6659200, 9988800, 19977600]

約数ペア:

[(1, 19977600), (2, 9988800), (3, 6659200), (4, 4994400), (5, 3995520), (6, 3329600), (8, 2497200), (10, 1997760), (12, 1664800), (15, 1331840), (16, 1248600), (20, 998880), (24, 832400), (25, 799104), (30, 665920), (32, 624300), (40, 499440), (48, 416200), (50, 399552), (60, 332960), (64, 312150), (75, 266368), (80, 249720), (96, 208100), (100, 199776), (120, 166480), (128, 156075), (150, 133184), (160, 124860), (192, 104050), (200, 99888), (240, 83240), (300, 66592), (320, 62430), (384, 52025), (400, 49944), (480, 41620), (600, 33296), (640, 31215), (800, 24972), (960, 20810), (1200, 16648), (1600, 12486), (1920, 10405), (2081, 9600), (2400, 8324), (3200, 6243), (4162, 4800)]