218655960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8171}}^1$

素因数の和:8408

約数の個数: 64

約数和(自身を含む): 658990080

約数和(自身を除く): 440334120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 4460, 5352, 6690, 8171, 8920, 13380, 16342, 24513, 26760, 32684, 40855, 49026, 65368, 81710, 98052, 122565, 163420, 196104, 245130, 326840, 490260, 980520, 1822133, 3644266, 5466399, 7288532, 9110665, 10932798, 14577064, 18221330, 21865596, 27331995, 36442660, 43731192, 54663990, 72885320, 109327980, 218655960]

約数ペア:

[(1, 218655960), (2, 109327980), (3, 72885320), (4, 54663990), (5, 43731192), (6, 36442660), (8, 27331995), (10, 21865596), (12, 18221330), (15, 14577064), (20, 10932798), (24, 9110665), (30, 7288532), (40, 5466399), (60, 3644266), (120, 1822133), (223, 980520), (446, 490260), (669, 326840), (892, 245130), (1115, 196104), (1338, 163420), (1784, 122565), (2230, 98052), (2676, 81710), (3345, 65368), (4460, 49026), (5352, 40855), (6690, 32684), (8171, 26760), (8920, 24513), (13380, 16342)]