18540240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 58383168

約数和(自身を除く): 39842928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1153, 1340, 1608, 2010, 2306, 2680, 3216, 3459, 4020, 4612, 5360, 5765, 6918, 8040, 9224, 11530, 13836, 16080, 17295, 18448, 23060, 27672, 34590, 46120, 55344, 69180, 77251, 92240, 138360, 154502, 231753, 276720, 309004, 386255, 463506, 618008, 772510, 927012, 1158765, 1236016, 1545020, 1854024, 2317530, 3090040, 3708048, 4635060, 6180080, 9270120, 18540240]

約数ペア:

[(1, 18540240), (2, 9270120), (3, 6180080), (4, 4635060), (5, 3708048), (6, 3090040), (8, 2317530), (10, 1854024), (12, 1545020), (15, 1236016), (16, 1158765), (20, 927012), (24, 772510), (30, 618008), (40, 463506), (48, 386255), (60, 309004), (67, 276720), (80, 231753), (120, 154502), (134, 138360), (201, 92240), (240, 77251), (268, 69180), (335, 55344), (402, 46120), (536, 34590), (670, 27672), (804, 23060), (1005, 18448), (1072, 17295), (1153, 16080), (1340, 13836), (1608, 11530), (2010, 9224), (2306, 8040), (2680, 6918), (3216, 5765), (3459, 5360), (4020, 4612)]