20572800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{2143}}^1$

素因数の和:2170

約数の個数: 96

約数和(自身を含む): 67793280

約数和(自身を除く): 47220480

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, 2143, 2400, 3200, 4286, 4800, 6429, 8572, 9600, 10715, 12858, 17144, 21430, 25716, 32145, 34288, 42860, 51432, 53575, 64290, 68576, 85720, 102864, 107150, 128580, 137152, 160725, 171440, 205728, 214300, 257160, 274304, 321450, 342880, 411456, 428600, 514320, 642900, 685760, 822912, 857200, 1028640, 1285800, 1371520, 1714400, 2057280, 2571600, 3428800, 4114560, 5143200, 6857600, 10286400, 20572800]

約数ペア:

[(1, 20572800), (2, 10286400), (3, 6857600), (4, 5143200), (5, 4114560), (6, 3428800), (8, 2571600), (10, 2057280), (12, 1714400), (15, 1371520), (16, 1285800), (20, 1028640), (24, 857200), (25, 822912), (30, 685760), (32, 642900), (40, 514320), (48, 428600), (50, 411456), (60, 342880), (64, 321450), (75, 274304), (80, 257160), (96, 214300), (100, 205728), (120, 171440), (128, 160725), (150, 137152), (160, 128580), (192, 107150), (200, 102864), (240, 85720), (300, 68576), (320, 64290), (384, 53575), (400, 51432), (480, 42860), (600, 34288), (640, 32145), (800, 25716), (960, 21430), (1200, 17144), (1600, 12858), (1920, 10715), (2143, 9600), (2400, 8572), (3200, 6429), (4286, 4800)]