51518640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2213}}^1$

素因数の和:2326

約数の個数: 80

約数和(自身を含む): 161427168

約数和(自身を除く): 109908528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2213, 2328, 2910, 3880, 4426, 4656, 5820, 6639, 7760, 8852, 11065, 11640, 13278, 17704, 22130, 23280, 26556, 33195, 35408, 44260, 53112, 66390, 88520, 106224, 132780, 177040, 214661, 265560, 429322, 531120, 643983, 858644, 1073305, 1287966, 1717288, 2146610, 2575932, 3219915, 3434576, 4293220, 5151864, 6439830, 8586440, 10303728, 12879660, 17172880, 25759320, 51518640]

約数ペア:

[(1, 51518640), (2, 25759320), (3, 17172880), (4, 12879660), (5, 10303728), (6, 8586440), (8, 6439830), (10, 5151864), (12, 4293220), (15, 3434576), (16, 3219915), (20, 2575932), (24, 2146610), (30, 1717288), (40, 1287966), (48, 1073305), (60, 858644), (80, 643983), (97, 531120), (120, 429322), (194, 265560), (240, 214661), (291, 177040), (388, 132780), (485, 106224), (582, 88520), (776, 66390), (970, 53112), (1164, 44260), (1455, 35408), (1552, 33195), (1940, 26556), (2213, 23280), (2328, 22130), (2910, 17704), (3880, 13278), (4426, 11640), (4656, 11065), (5820, 8852), (6639, 7760)]