81890160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31019}}^1$

素因数の和:31046

約数の個数: 80

約数和(自身を含む): 276946560

約数和(自身を除く): 195056400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 31019, 62038, 93057, 124076, 155095, 186114, 248152, 310190, 341209, 372228, 465285, 496304, 620380, 682418, 744456, 930570, 1023627, 1240760, 1364836, 1488912, 1706045, 1861140, 2047254, 2481520, 2729672, 3412090, 3722280, 4094508, 5118135, 5459344, 6824180, 7444560, 8189016, 10236270, 13648360, 16378032, 20472540, 27296720, 40945080, 81890160]

約数ペア:

[(1, 81890160), (2, 40945080), (3, 27296720), (4, 20472540), (5, 16378032), (6, 13648360), (8, 10236270), (10, 8189016), (11, 7444560), (12, 6824180), (15, 5459344), (16, 5118135), (20, 4094508), (22, 3722280), (24, 3412090), (30, 2729672), (33, 2481520), (40, 2047254), (44, 1861140), (48, 1706045), (55, 1488912), (60, 1364836), (66, 1240760), (80, 1023627), (88, 930570), (110, 744456), (120, 682418), (132, 620380), (165, 496304), (176, 465285), (220, 372228), (240, 341209), (264, 310190), (330, 248152), (440, 186114), (528, 155095), (660, 124076), (880, 93057), (1320, 62038), (2640, 31019)]