644121600

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{8387}}^1$

素因数の和:8420

約数の個数: 132

約数和(自身を含む): 2129109264

約数和(自身を除く): 1484987664

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, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2400, 2560, 3072, 3200, 3840, 4800, 5120, 6400, 7680, 8387, 9600, 12800, 15360, 16774, 19200, 25161, 25600, 33548, 38400, 41935, 50322, 67096, 76800, 83870, 100644, 125805, 134192, 167740, 201288, 209675, 251610, 268384, 335480, 402576, 419350, 503220, 536768, 629025, 670960, 805152, 838700, 1006440, 1073536, 1258050, 1341920, 1610304, 1677400, 2012880, 2147072, 2516100, 2683840, 3220608, 3354800, 4025760, 4294144, 5032200, 5367680, 6441216, 6709600, 8051520, 8588288, 10064400, 10735360, 12882432, 13419200, 16103040, 20128800, 21470720, 25764864, 26838400, 32206080, 40257600, 42941440, 53676800, 64412160, 80515200, 107353600, 128824320, 161030400, 214707200, 322060800, 644121600]

約数ペア:

[(1, 644121600), (2, 322060800), (3, 214707200), (4, 161030400), (5, 128824320), (6, 107353600), (8, 80515200), (10, 64412160), (12, 53676800), (15, 42941440), (16, 40257600), (20, 32206080), (24, 26838400), (25, 25764864), (30, 21470720), (32, 20128800), (40, 16103040), (48, 13419200), (50, 12882432), (60, 10735360), (64, 10064400), (75, 8588288), (80, 8051520), (96, 6709600), (100, 6441216), (120, 5367680), (128, 5032200), (150, 4294144), (160, 4025760), (192, 3354800), (200, 3220608), (240, 2683840), (256, 2516100), (300, 2147072), (320, 2012880), (384, 1677400), (400, 1610304), (480, 1341920), (512, 1258050), (600, 1073536), (640, 1006440), (768, 838700), (800, 805152), (960, 670960), (1024, 629025), (1200, 536768), (1280, 503220), (1536, 419350), (1600, 402576), (1920, 335480), (2400, 268384), (2560, 251610), (3072, 209675), (3200, 201288), (3840, 167740), (4800, 134192), (5120, 125805), (6400, 100644), (7680, 83870), (8387, 76800), (9600, 67096), (12800, 50322), (15360, 41935), (16774, 38400), (19200, 33548), (25161, 25600)]