64110080

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 80

約数和(自身を含む): 156150720

約数和(自身を除く): 92040640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 317, 320, 395, 512, 632, 634, 640, 790, 1264, 1268, 1280, 1580, 1585, 2528, 2536, 2560, 3160, 3170, 5056, 5072, 6320, 6340, 10112, 10144, 12640, 12680, 20224, 20288, 25043, 25280, 25360, 40448, 40576, 50086, 50560, 50720, 81152, 100172, 101120, 101440, 125215, 162304, 200344, 202240, 202880, 250430, 400688, 405760, 500860, 801376, 811520, 1001720, 1602752, 2003440, 3205504, 4006880, 6411008, 8013760, 12822016, 16027520, 32055040, 64110080]

約数ペア:

[(1, 64110080), (2, 32055040), (4, 16027520), (5, 12822016), (8, 8013760), (10, 6411008), (16, 4006880), (20, 3205504), (32, 2003440), (40, 1602752), (64, 1001720), (79, 811520), (80, 801376), (128, 500860), (158, 405760), (160, 400688), (256, 250430), (316, 202880), (317, 202240), (320, 200344), (395, 162304), (512, 125215), (632, 101440), (634, 101120), (640, 100172), (790, 81152), (1264, 50720), (1268, 50560), (1280, 50086), (1580, 40576), (1585, 40448), (2528, 25360), (2536, 25280), (2560, 25043), (3160, 20288), (3170, 20224), (5056, 12680), (5072, 12640), (6320, 10144), (6340, 10112)]