28467540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1881

約数の個数: 72

約数和(自身を含む): 87370920

約数和(自身を除く): 58903380

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, 1777, 1780, 2670, 3204, 3554, 4005, 5331, 5340, 7108, 8010, 8885, 10662, 15993, 16020, 17770, 21324, 26655, 31986, 35540, 53310, 63972, 79965, 106620, 158153, 159930, 316306, 319860, 474459, 632612, 790765, 948918, 1423377, 1581530, 1897836, 2372295, 2846754, 3163060, 4744590, 5693508, 7116885, 9489180, 14233770, 28467540]

約数ペア:

[(1, 28467540), (2, 14233770), (3, 9489180), (4, 7116885), (5, 5693508), (6, 4744590), (9, 3163060), (10, 2846754), (12, 2372295), (15, 1897836), (18, 1581530), (20, 1423377), (30, 948918), (36, 790765), (45, 632612), (60, 474459), (89, 319860), (90, 316306), (178, 159930), (180, 158153), (267, 106620), (356, 79965), (445, 63972), (534, 53310), (801, 35540), (890, 31986), (1068, 26655), (1335, 21324), (1602, 17770), (1777, 16020), (1780, 15993), (2670, 10662), (3204, 8885), (3554, 8010), (4005, 7108), (5331, 5340)]