81828120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61991}}^1$

素因数の和:62016

約数の個数: 64

約数和(自身を含む): 267805440

約数和(自身を除く): 185977320

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, 61991, 123982, 185973, 247964, 309955, 371946, 495928, 619910, 681901, 743892, 929865, 1239820, 1363802, 1487784, 1859730, 2045703, 2479640, 2727604, 3409505, 3719460, 4091406, 5455208, 6819010, 7438920, 8182812, 10228515, 13638020, 16365624, 20457030, 27276040, 40914060, 81828120]

約数ペア:

[(1, 81828120), (2, 40914060), (3, 27276040), (4, 20457030), (5, 16365624), (6, 13638020), (8, 10228515), (10, 8182812), (11, 7438920), (12, 6819010), (15, 5455208), (20, 4091406), (22, 3719460), (24, 3409505), (30, 2727604), (33, 2479640), (40, 2045703), (44, 1859730), (55, 1487784), (60, 1363802), (66, 1239820), (88, 929865), (110, 743892), (120, 681901), (132, 619910), (165, 495928), (220, 371946), (264, 309955), (330, 247964), (440, 185973), (660, 123982), (1320, 61991)]