28179540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9209}}^1$

素因数の和:9241

約数の個数: 72

約数和(自身を含む): 90515880

約数和(自身を除く): 62336340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 9209, 18418, 27627, 36836, 46045, 55254, 82881, 92090, 110508, 138135, 156553, 165762, 184180, 276270, 313106, 331524, 414405, 469659, 552540, 626212, 782765, 828810, 939318, 1408977, 1565530, 1657620, 1878636, 2348295, 2817954, 3131060, 4696590, 5635908, 7044885, 9393180, 14089770, 28179540]

約数ペア:

[(1, 28179540), (2, 14089770), (3, 9393180), (4, 7044885), (5, 5635908), (6, 4696590), (9, 3131060), (10, 2817954), (12, 2348295), (15, 1878636), (17, 1657620), (18, 1565530), (20, 1408977), (30, 939318), (34, 828810), (36, 782765), (45, 626212), (51, 552540), (60, 469659), (68, 414405), (85, 331524), (90, 313106), (102, 276270), (153, 184180), (170, 165762), (180, 156553), (204, 138135), (255, 110508), (306, 92090), (340, 82881), (510, 55254), (612, 46045), (765, 36836), (1020, 27627), (1530, 18418), (3060, 9209)]