1388390520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1051811}}^1$

素因数の和:1051836

約数の個数: 64

約数和(自身を含む): 4543827840

約数和(自身を除く): 3155437320

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, 1051811, 2103622, 3155433, 4207244, 5259055, 6310866, 8414488, 10518110, 11569921, 12621732, 15777165, 21036220, 23139842, 25243464, 31554330, 34709763, 42072440, 46279684, 57849605, 63108660, 69419526, 92559368, 115699210, 126217320, 138839052, 173548815, 231398420, 277678104, 347097630, 462796840, 694195260, 1388390520]

約数ペア:

[(1, 1388390520), (2, 694195260), (3, 462796840), (4, 347097630), (5, 277678104), (6, 231398420), (8, 173548815), (10, 138839052), (11, 126217320), (12, 115699210), (15, 92559368), (20, 69419526), (22, 63108660), (24, 57849605), (30, 46279684), (33, 42072440), (40, 34709763), (44, 31554330), (55, 25243464), (60, 23139842), (66, 21036220), (88, 15777165), (110, 12621732), (120, 11569921), (132, 10518110), (165, 8414488), (220, 6310866), (264, 5259055), (330, 4207244), (440, 3155433), (660, 2103622), (1320, 1051811)]