64237880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3761}}^1$

素因数の和:3840

約数の個数: 64

約数和(自身を含む): 167935680

約数和(自身を除く): 103697800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 3761, 4270, 7522, 8540, 15044, 17080, 18805, 26327, 30088, 37610, 52654, 75220, 105308, 131635, 150440, 210616, 229421, 263270, 458842, 526540, 917684, 1053080, 1147105, 1605947, 1835368, 2294210, 3211894, 4588420, 6423788, 8029735, 9176840, 12847576, 16059470, 32118940, 64237880]

約数ペア:

[(1, 64237880), (2, 32118940), (4, 16059470), (5, 12847576), (7, 9176840), (8, 8029735), (10, 6423788), (14, 4588420), (20, 3211894), (28, 2294210), (35, 1835368), (40, 1605947), (56, 1147105), (61, 1053080), (70, 917684), (122, 526540), (140, 458842), (244, 263270), (280, 229421), (305, 210616), (427, 150440), (488, 131635), (610, 105308), (854, 75220), (1220, 52654), (1708, 37610), (2135, 30088), (2440, 26327), (3416, 18805), (3761, 17080), (4270, 15044), (7522, 8540)]