1815342080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18661}}^1$

素因数の和:18705

約数の個数: 88

約数和(自身を含む): 4584133680

約数和(自身を除く): 2768791600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 5120, 6080, 9728, 12160, 18661, 19456, 24320, 37322, 48640, 74644, 93305, 97280, 149288, 186610, 298576, 354559, 373220, 597152, 709118, 746440, 1194304, 1418236, 1492880, 1772795, 2388608, 2836472, 2985760, 3545590, 4777216, 5672944, 5971520, 7091180, 9554432, 11345888, 11943040, 14182360, 19108864, 22691776, 23886080, 28364720, 45383552, 47772160, 56729440, 90767104, 95544320, 113458880, 181534208, 226917760, 363068416, 453835520, 907671040, 1815342080]

約数ペア:

[(1, 1815342080), (2, 907671040), (4, 453835520), (5, 363068416), (8, 226917760), (10, 181534208), (16, 113458880), (19, 95544320), (20, 90767104), (32, 56729440), (38, 47772160), (40, 45383552), (64, 28364720), (76, 23886080), (80, 22691776), (95, 19108864), (128, 14182360), (152, 11943040), (160, 11345888), (190, 9554432), (256, 7091180), (304, 5971520), (320, 5672944), (380, 4777216), (512, 3545590), (608, 2985760), (640, 2836472), (760, 2388608), (1024, 1772795), (1216, 1492880), (1280, 1418236), (1520, 1194304), (2432, 746440), (2560, 709118), (3040, 597152), (4864, 373220), (5120, 354559), (6080, 298576), (9728, 186610), (12160, 149288), (18661, 97280), (19456, 93305), (24320, 74644), (37322, 48640)]