628140800

素因数分解:

$2^8\times 5^2\times 7^2\times {\mathrm{2003}}^1$

素因数の和:2043

約数の個数: 162

約数和(自身を含む): 1809485748

約数和(自身を除く): 1181344948

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1280, 1400, 1568, 1600, 1792, 1960, 2003, 2240, 2450, 2800, 3136, 3200, 3920, 4006, 4480, 4900, 5600, 6272, 6400, 7840, 8012, 8960, 9800, 10015, 11200, 12544, 14021, 15680, 16024, 19600, 20030, 22400, 28042, 31360, 32048, 39200, 40060, 44800, 50075, 56084, 62720, 64096, 70105, 78400, 80120, 98147, 100150, 112168, 128192, 140210, 156800, 160240, 196294, 200300, 224336, 256384, 280420, 313600, 320480, 350525, 392588, 400600, 448672, 490735, 512768, 560840, 640960, 701050, 785176, 801200, 897344, 981470, 1121680, 1281920, 1402100, 1570352, 1602400, 1794688, 1962940, 2243360, 2453675, 2563840, 2804200, 3140704, 3204800, 3589376, 3925880, 4486720, 4907350, 5608400, 6281408, 6409600, 7851760, 8973440, 9814700, 11216800, 12562816, 12819200, 15703520, 17946880, 19629400, 22433600, 25125632, 31407040, 39258800, 44867200, 62814080, 78517600, 89734400, 125628160, 157035200, 314070400, 628140800]

約数ペア:

[(1, 628140800), (2, 314070400), (4, 157035200), (5, 125628160), (7, 89734400), (8, 78517600), (10, 62814080), (14, 44867200), (16, 39258800), (20, 31407040), (25, 25125632), (28, 22433600), (32, 19629400), (35, 17946880), (40, 15703520), (49, 12819200), (50, 12562816), (56, 11216800), (64, 9814700), (70, 8973440), (80, 7851760), (98, 6409600), (100, 6281408), (112, 5608400), (128, 4907350), (140, 4486720), (160, 3925880), (175, 3589376), (196, 3204800), (200, 3140704), (224, 2804200), (245, 2563840), (256, 2453675), (280, 2243360), (320, 1962940), (350, 1794688), (392, 1602400), (400, 1570352), (448, 1402100), (490, 1281920), (560, 1121680), (640, 981470), (700, 897344), (784, 801200), (800, 785176), (896, 701050), (980, 640960), (1120, 560840), (1225, 512768), (1280, 490735), (1400, 448672), (1568, 400600), (1600, 392588), (1792, 350525), (1960, 320480), (2003, 313600), (2240, 280420), (2450, 256384), (2800, 224336), (3136, 200300), (3200, 196294), (3920, 160240), (4006, 156800), (4480, 140210), (4900, 128192), (5600, 112168), (6272, 100150), (6400, 98147), (7840, 80120), (8012, 78400), (8960, 70105), (9800, 64096), (10015, 62720), (11200, 56084), (12544, 50075), (14021, 44800), (15680, 40060), (16024, 39200), (19600, 32048), (20030, 31360), (22400, 28042)]