40381020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{853}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 123098976

約数和(自身を除く): 82717956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 853, 1052, 1315, 1578, 1706, 2367, 2559, 2630, 3156, 3412, 3945, 4265, 4734, 5118, 5260, 7677, 7890, 8530, 9468, 10236, 11835, 12795, 15354, 15780, 17060, 23670, 25590, 30708, 38385, 47340, 51180, 76770, 153540, 224339, 448678, 673017, 897356, 1121695, 1346034, 2019051, 2243390, 2692068, 3365085, 4038102, 4486780, 6730170, 8076204, 10095255, 13460340, 20190510, 40381020]

約数ペア:

[(1, 40381020), (2, 20190510), (3, 13460340), (4, 10095255), (5, 8076204), (6, 6730170), (9, 4486780), (10, 4038102), (12, 3365085), (15, 2692068), (18, 2243390), (20, 2019051), (30, 1346034), (36, 1121695), (45, 897356), (60, 673017), (90, 448678), (180, 224339), (263, 153540), (526, 76770), (789, 51180), (853, 47340), (1052, 38385), (1315, 30708), (1578, 25590), (1706, 23670), (2367, 17060), (2559, 15780), (2630, 15354), (3156, 12795), (3412, 11835), (3945, 10236), (4265, 9468), (4734, 8530), (5118, 7890), (5260, 7677)]