81106920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25033}}^1$

素因数の和:25056

約数の個数: 80

約数和(自身を含む): 272620260

約数和(自身を除く): 191513340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 25033, 50066, 75099, 100132, 125165, 150198, 200264, 225297, 250330, 300396, 375495, 450594, 500660, 600792, 675891, 750990, 901188, 1001320, 1126485, 1351782, 1501980, 1802376, 2027673, 2252970, 2703564, 3003960, 3379455, 4055346, 4505940, 5407128, 6758910, 8110692, 9011880, 10138365, 13517820, 16221384, 20276730, 27035640, 40553460, 81106920]

約数ペア:

[(1, 81106920), (2, 40553460), (3, 27035640), (4, 20276730), (5, 16221384), (6, 13517820), (8, 10138365), (9, 9011880), (10, 8110692), (12, 6758910), (15, 5407128), (18, 4505940), (20, 4055346), (24, 3379455), (27, 3003960), (30, 2703564), (36, 2252970), (40, 2027673), (45, 1802376), (54, 1501980), (60, 1351782), (72, 1126485), (81, 1001320), (90, 901188), (108, 750990), (120, 675891), (135, 600792), (162, 500660), (180, 450594), (216, 375495), (270, 300396), (324, 250330), (360, 225297), (405, 200264), (540, 150198), (648, 125165), (810, 100132), (1080, 75099), (1620, 50066), (3240, 25033)]