71916800

素因数分解:

$2^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 108

約数和(自身を含む): 188761356

約数和(自身を除く): 116844556

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 544, 640, 661, 680, 800, 850, 1088, 1280, 1322, 1360, 1600, 1700, 2176, 2644, 2720, 3200, 3305, 3400, 4352, 5288, 5440, 6400, 6610, 6800, 10576, 10880, 11237, 13220, 13600, 16525, 21152, 21760, 22474, 26440, 27200, 33050, 42304, 44948, 52880, 54400, 56185, 66100, 84608, 89896, 105760, 108800, 112370, 132200, 169216, 179792, 211520, 224740, 264400, 280925, 359584, 423040, 449480, 528800, 561850, 719168, 846080, 898960, 1057600, 1123700, 1438336, 1797920, 2115200, 2247400, 2876672, 3595840, 4230400, 4494800, 7191680, 8989600, 14383360, 17979200, 35958400, 71916800]

約数ペア:

[(1, 71916800), (2, 35958400), (4, 17979200), (5, 14383360), (8, 8989600), (10, 7191680), (16, 4494800), (17, 4230400), (20, 3595840), (25, 2876672), (32, 2247400), (34, 2115200), (40, 1797920), (50, 1438336), (64, 1123700), (68, 1057600), (80, 898960), (85, 846080), (100, 719168), (128, 561850), (136, 528800), (160, 449480), (170, 423040), (200, 359584), (256, 280925), (272, 264400), (320, 224740), (340, 211520), (400, 179792), (425, 169216), (544, 132200), (640, 112370), (661, 108800), (680, 105760), (800, 89896), (850, 84608), (1088, 66100), (1280, 56185), (1322, 54400), (1360, 52880), (1600, 44948), (1700, 42304), (2176, 33050), (2644, 27200), (2720, 26440), (3200, 22474), (3305, 21760), (3400, 21152), (4352, 16525), (5288, 13600), (5440, 13220), (6400, 11237), (6610, 10880), (6800, 10576)]