20218742400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{727}}^1\times {\mathrm{2897}}^1$

素因数の和:3651

約数の個数: 192

約数和(自身を含む): 66710105280

約数和(自身を除く): 46491362880

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, 727, 800, 960, 1200, 1454, 1600, 1920, 2181, 2400, 2897, 2908, 3200, 3635, 4362, 4800, 5794, 5816, 7270, 8691, 8724, 9600, 10905, 11588, 11632, 14485, 14540, 17382, 17448, 18175, 21810, 23176, 23264, 28970, 29080, 34764, 34896, 36350, 43455, 43620, 46352, 46528, 54525, 57940, 58160, 69528, 69792, 72425, 72700, 86910, 87240, 92704, 93056, 109050, 115880, 116320, 139056, 139584, 144850, 145400, 173820, 174480, 185408, 217275, 218100, 231760, 232640, 278112, 279168, 289700, 290800, 347640, 348960, 370816, 434550, 436200, 463520, 465280, 556224, 579400, 581600, 695280, 697920, 869100, 872400, 927040, 1112448, 1158800, 1163200, 1390560, 1395840, 1738200, 1744800, 1854080, 2106119, 2317600, 2326400, 2781120, 3476400, 3489600, 4212238, 4635200, 5562240, 6318357, 6952800, 6979200, 8424476, 9270400, 10530595, 12636714, 13905600, 16848952, 21061190, 25273428, 27811200, 31591785, 33697904, 42122380, 50546856, 52652975, 63183570, 67395808, 84244760, 101093712, 105305950, 126367140, 134791616, 157958925, 168489520, 202187424, 210611900, 252734280, 269583232, 315917850, 336979040, 404374848, 421223800, 505468560, 631835700, 673958080, 808749696, 842447600, 1010937120, 1263671400, 1347916160, 1684895200, 2021874240, 2527342800, 3369790400, 4043748480, 5054685600, 6739580800, 10109371200, 20218742400]

約数ペア:

[(1, 20218742400), (2, 10109371200), (3, 6739580800), (4, 5054685600), (5, 4043748480), (6, 3369790400), (8, 2527342800), (10, 2021874240), (12, 1684895200), (15, 1347916160), (16, 1263671400), (20, 1010937120), (24, 842447600), (25, 808749696), (30, 673958080), (32, 631835700), (40, 505468560), (48, 421223800), (50, 404374848), (60, 336979040), (64, 315917850), (75, 269583232), (80, 252734280), (96, 210611900), (100, 202187424), (120, 168489520), (128, 157958925), (150, 134791616), (160, 126367140), (192, 105305950), (200, 101093712), (240, 84244760), (300, 67395808), (320, 63183570), (384, 52652975), (400, 50546856), (480, 42122380), (600, 33697904), (640, 31591785), (727, 27811200), (800, 25273428), (960, 21061190), (1200, 16848952), (1454, 13905600), (1600, 12636714), (1920, 10530595), (2181, 9270400), (2400, 8424476), (2897, 6979200), (2908, 6952800), (3200, 6318357), (3635, 5562240), (4362, 4635200), (4800, 4212238), (5794, 3489600), (5816, 3476400), (7270, 2781120), (8691, 2326400), (8724, 2317600), (9600, 2106119), (10905, 1854080), (11588, 1744800), (11632, 1738200), (14485, 1395840), (14540, 1390560), (17382, 1163200), (17448, 1158800), (18175, 1112448), (21810, 927040), (23176, 872400), (23264, 869100), (28970, 697920), (29080, 695280), (34764, 581600), (34896, 579400), (36350, 556224), (43455, 465280), (43620, 463520), (46352, 436200), (46528, 434550), (54525, 370816), (57940, 348960), (58160, 347640), (69528, 290800), (69792, 289700), (72425, 279168), (72700, 278112), (86910, 232640), (87240, 231760), (92704, 218100), (93056, 217275), (109050, 185408), (115880, 174480), (116320, 173820), (139056, 145400), (139584, 144850)]