31890480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 100038240

約数和(自身を除く): 68147760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1493, 1780, 2136, 2670, 2986, 3560, 4272, 4479, 5340, 5972, 7120, 7465, 8958, 10680, 11944, 14930, 17916, 21360, 22395, 23888, 29860, 35832, 44790, 59720, 71664, 89580, 119440, 132877, 179160, 265754, 358320, 398631, 531508, 664385, 797262, 1063016, 1328770, 1594524, 1993155, 2126032, 2657540, 3189048, 3986310, 5315080, 6378096, 7972620, 10630160, 15945240, 31890480]

約数ペア:

[(1, 31890480), (2, 15945240), (3, 10630160), (4, 7972620), (5, 6378096), (6, 5315080), (8, 3986310), (10, 3189048), (12, 2657540), (15, 2126032), (16, 1993155), (20, 1594524), (24, 1328770), (30, 1063016), (40, 797262), (48, 664385), (60, 531508), (80, 398631), (89, 358320), (120, 265754), (178, 179160), (240, 132877), (267, 119440), (356, 89580), (445, 71664), (534, 59720), (712, 44790), (890, 35832), (1068, 29860), (1335, 23888), (1424, 22395), (1493, 21360), (1780, 17916), (2136, 14930), (2670, 11944), (2986, 10680), (3560, 8958), (4272, 7465), (4479, 7120), (5340, 5972)]