81938040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{919}}^1$

素因数の和:1676

約数の個数: 64

約数和(自身を含む): 246412800

約数和(自身を除く): 164474760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 743, 919, 1486, 1838, 2229, 2757, 2972, 3676, 3715, 4458, 4595, 5514, 5944, 7352, 7430, 8916, 9190, 11028, 11145, 13785, 14860, 17832, 18380, 22056, 22290, 27570, 29720, 36760, 44580, 55140, 89160, 110280, 682817, 1365634, 2048451, 2731268, 3414085, 4096902, 5462536, 6828170, 8193804, 10242255, 13656340, 16387608, 20484510, 27312680, 40969020, 81938040]

約数ペア:

[(1, 81938040), (2, 40969020), (3, 27312680), (4, 20484510), (5, 16387608), (6, 13656340), (8, 10242255), (10, 8193804), (12, 6828170), (15, 5462536), (20, 4096902), (24, 3414085), (30, 2731268), (40, 2048451), (60, 1365634), (120, 682817), (743, 110280), (919, 89160), (1486, 55140), (1838, 44580), (2229, 36760), (2757, 29720), (2972, 27570), (3676, 22290), (3715, 22056), (4458, 18380), (4595, 17832), (5514, 14860), (5944, 13785), (7352, 11145), (7430, 11028), (8916, 9190)]