90572800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 236117700

約数和(自身を除く): 145544900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 61, 64, 80, 100, 116, 122, 128, 145, 160, 200, 232, 244, 256, 290, 305, 320, 400, 464, 488, 512, 580, 610, 640, 725, 800, 928, 976, 1024, 1160, 1220, 1280, 1450, 1525, 1600, 1769, 1856, 1952, 2048, 2320, 2440, 2560, 2900, 3050, 3200, 3538, 3712, 3904, 4640, 4880, 5120, 5800, 6100, 6400, 7076, 7424, 7808, 8845, 9280, 9760, 10240, 11600, 12200, 12800, 14152, 14848, 15616, 17690, 18560, 19520, 23200, 24400, 25600, 28304, 29696, 31232, 35380, 37120, 39040, 44225, 46400, 48800, 51200, 56608, 59392, 62464, 70760, 74240, 78080, 88450, 92800, 97600, 113216, 124928, 141520, 148480, 156160, 176900, 185600, 195200, 226432, 283040, 296960, 312320, 353800, 371200, 390400, 452864, 566080, 624640, 707600, 742400, 780800, 905728, 1132160, 1415200, 1484800, 1561600, 1811456, 2264320, 2830400, 3123200, 3622912, 4528640, 5660800, 9057280, 11321600, 18114560, 22643200, 45286400, 90572800]

約数ペア:

[(1, 90572800), (2, 45286400), (4, 22643200), (5, 18114560), (8, 11321600), (10, 9057280), (16, 5660800), (20, 4528640), (25, 3622912), (29, 3123200), (32, 2830400), (40, 2264320), (50, 1811456), (58, 1561600), (61, 1484800), (64, 1415200), (80, 1132160), (100, 905728), (116, 780800), (122, 742400), (128, 707600), (145, 624640), (160, 566080), (200, 452864), (232, 390400), (244, 371200), (256, 353800), (290, 312320), (305, 296960), (320, 283040), (400, 226432), (464, 195200), (488, 185600), (512, 176900), (580, 156160), (610, 148480), (640, 141520), (725, 124928), (800, 113216), (928, 97600), (976, 92800), (1024, 88450), (1160, 78080), (1220, 74240), (1280, 70760), (1450, 62464), (1525, 59392), (1600, 56608), (1769, 51200), (1856, 48800), (1952, 46400), (2048, 44225), (2320, 39040), (2440, 37120), (2560, 35380), (2900, 31232), (3050, 29696), (3200, 28304), (3538, 25600), (3712, 24400), (3904, 23200), (4640, 19520), (4880, 18560), (5120, 17690), (5800, 15616), (6100, 14848), (6400, 14152), (7076, 12800), (7424, 12200), (7808, 11600), (8845, 10240), (9280, 9760)]