28179180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1863

約数の個数: 72

約数和(自身を含む): 86486400

約数和(自身を除く): 58307220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1759, 1780, 2670, 3204, 3518, 4005, 5277, 5340, 7036, 8010, 8795, 10554, 15831, 16020, 17590, 21108, 26385, 31662, 35180, 52770, 63324, 79155, 105540, 156551, 158310, 313102, 316620, 469653, 626204, 782755, 939306, 1408959, 1565510, 1878612, 2348265, 2817918, 3131020, 4696530, 5635836, 7044795, 9393060, 14089590, 28179180]

約数ペア:

[(1, 28179180), (2, 14089590), (3, 9393060), (4, 7044795), (5, 5635836), (6, 4696530), (9, 3131020), (10, 2817918), (12, 2348265), (15, 1878612), (18, 1565510), (20, 1408959), (30, 939306), (36, 782755), (45, 626204), (60, 469653), (89, 316620), (90, 313102), (178, 158310), (180, 156551), (267, 105540), (356, 79155), (445, 63324), (534, 52770), (801, 35180), (890, 31662), (1068, 26385), (1335, 21108), (1602, 17590), (1759, 16020), (1780, 15831), (2670, 10554), (3204, 8795), (3518, 8010), (4005, 7036), (5277, 5340)]