138738540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{25981}}^1$

素因数の和:26082

約数の個数: 48

約数和(自身を含む): 392847840

約数和(自身を除く): 254109300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 25981, 51962, 77943, 103924, 129905, 155886, 259810, 311772, 389715, 519620, 779430, 1558860, 2312309, 4624618, 6936927, 9249236, 11561545, 13873854, 23123090, 27747708, 34684635, 46246180, 69369270, 138738540]

約数ペア:

[(1, 138738540), (2, 69369270), (3, 46246180), (4, 34684635), (5, 27747708), (6, 23123090), (10, 13873854), (12, 11561545), (15, 9249236), (20, 6936927), (30, 4624618), (60, 2312309), (89, 1558860), (178, 779430), (267, 519620), (356, 389715), (445, 311772), (534, 259810), (890, 155886), (1068, 129905), (1335, 103924), (1780, 77943), (2670, 51962), (5340, 25981)]