31173390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 83635200

約数和(自身を除く): 52461810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 263, 270, 439, 526, 789, 878, 1315, 1317, 1578, 2195, 2367, 2630, 2634, 3945, 3951, 4390, 4734, 6585, 7101, 7890, 7902, 11835, 11853, 13170, 14202, 19755, 23670, 23706, 35505, 39510, 59265, 71010, 115457, 118530, 230914, 346371, 577285, 692742, 1039113, 1154570, 1731855, 2078226, 3117339, 3463710, 5195565, 6234678, 10391130, 15586695, 31173390]

約数ペア:

[(1, 31173390), (2, 15586695), (3, 10391130), (5, 6234678), (6, 5195565), (9, 3463710), (10, 3117339), (15, 2078226), (18, 1731855), (27, 1154570), (30, 1039113), (45, 692742), (54, 577285), (90, 346371), (135, 230914), (263, 118530), (270, 115457), (439, 71010), (526, 59265), (789, 39510), (878, 35505), (1315, 23706), (1317, 23670), (1578, 19755), (2195, 14202), (2367, 13170), (2630, 11853), (2634, 11835), (3945, 7902), (3951, 7890), (4390, 7101), (4734, 6585)]