47628800

素因数分解:

$2^9\times 5^2\times {\mathrm{61}}^2$

素因数の和:150

約数の個数: 90

約数和(自身を含む): 119970279

約数和(自身を除く): 72341479

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 512, 610, 640, 800, 976, 1220, 1280, 1525, 1600, 1952, 2440, 2560, 3050, 3200, 3721, 3904, 4880, 6100, 6400, 7442, 7808, 9760, 12200, 12800, 14884, 15616, 18605, 19520, 24400, 29768, 31232, 37210, 39040, 48800, 59536, 74420, 78080, 93025, 97600, 119072, 148840, 156160, 186050, 195200, 238144, 297680, 372100, 390400, 476288, 595360, 744200, 780800, 952576, 1190720, 1488400, 1905152, 2381440, 2976800, 4762880, 5953600, 9525760, 11907200, 23814400, 47628800]

約数ペア:

[(1, 47628800), (2, 23814400), (4, 11907200), (5, 9525760), (8, 5953600), (10, 4762880), (16, 2976800), (20, 2381440), (25, 1905152), (32, 1488400), (40, 1190720), (50, 952576), (61, 780800), (64, 744200), (80, 595360), (100, 476288), (122, 390400), (128, 372100), (160, 297680), (200, 238144), (244, 195200), (256, 186050), (305, 156160), (320, 148840), (400, 119072), (488, 97600), (512, 93025), (610, 78080), (640, 74420), (800, 59536), (976, 48800), (1220, 39040), (1280, 37210), (1525, 31232), (1600, 29768), (1952, 24400), (2440, 19520), (2560, 18605), (3050, 15616), (3200, 14884), (3721, 12800), (3904, 12200), (4880, 9760), (6100, 7808), (6400, 7442)]