80956920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61331}}^1$

素因数の和:61356

約数の個数: 64

約数和(自身を含む): 264954240

約数和(自身を除く): 183997320

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, 61331, 122662, 183993, 245324, 306655, 367986, 490648, 613310, 674641, 735972, 919965, 1226620, 1349282, 1471944, 1839930, 2023923, 2453240, 2698564, 3373205, 3679860, 4047846, 5397128, 6746410, 7359720, 8095692, 10119615, 13492820, 16191384, 20239230, 26985640, 40478460, 80956920]

約数ペア:

[(1, 80956920), (2, 40478460), (3, 26985640), (4, 20239230), (5, 16191384), (6, 13492820), (8, 10119615), (10, 8095692), (11, 7359720), (12, 6746410), (15, 5397128), (20, 4047846), (22, 3679860), (24, 3373205), (30, 2698564), (33, 2453240), (40, 2023923), (44, 1839930), (55, 1471944), (60, 1349282), (66, 1226620), (88, 919965), (110, 735972), (120, 674641), (132, 613310), (165, 490648), (220, 367986), (264, 306655), (330, 245324), (440, 183993), (660, 122662), (1320, 61331)]