81601080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61819}}^1$

素因数の和:61844

約数の個数: 64

約数和(自身を含む): 267062400

約数和(自身を除く): 185461320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61819, 123638, 185457, 247276, 309095, 370914, 494552, 618190, 680009, 741828, 927285, 1236380, 1360018, 1483656, 1854570, 2040027, 2472760, 2720036, 3400045, 3709140, 4080054, 5440072, 6800090, 7418280, 8160108, 10200135, 13600180, 16320216, 20400270, 27200360, 40800540, 81601080]

約数ペア:

[(1, 81601080), (2, 40800540), (3, 27200360), (4, 20400270), (5, 16320216), (6, 13600180), (8, 10200135), (10, 8160108), (11, 7418280), (12, 6800090), (15, 5440072), (20, 4080054), (22, 3709140), (24, 3400045), (30, 2720036), (33, 2472760), (40, 2040027), (44, 1854570), (55, 1483656), (60, 1360018), (66, 1236380), (88, 927285), (110, 741828), (120, 680009), (132, 618190), (165, 494552), (220, 370914), (264, 309095), (330, 247276), (440, 185457), (660, 123638), (1320, 61819)]