1388640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 4790016

約数和(自身を除く): 3401376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 263, 264, 330, 352, 440, 480, 526, 528, 660, 789, 880, 1052, 1056, 1315, 1320, 1578, 1760, 2104, 2630, 2640, 2893, 3156, 3945, 4208, 5260, 5280, 5786, 6312, 7890, 8416, 8679, 10520, 11572, 12624, 14465, 15780, 17358, 21040, 23144, 25248, 28930, 31560, 34716, 42080, 43395, 46288, 57860, 63120, 69432, 86790, 92576, 115720, 126240, 138864, 173580, 231440, 277728, 347160, 462880, 694320, 1388640]

約数ペア:

[(1, 1388640), (2, 694320), (3, 462880), (4, 347160), (5, 277728), (6, 231440), (8, 173580), (10, 138864), (11, 126240), (12, 115720), (15, 92576), (16, 86790), (20, 69432), (22, 63120), (24, 57860), (30, 46288), (32, 43395), (33, 42080), (40, 34716), (44, 31560), (48, 28930), (55, 25248), (60, 23144), (66, 21040), (80, 17358), (88, 15780), (96, 14465), (110, 12624), (120, 11572), (132, 10520), (160, 8679), (165, 8416), (176, 7890), (220, 6312), (240, 5786), (263, 5280), (264, 5260), (330, 4208), (352, 3945), (440, 3156), (480, 2893), (526, 2640), (528, 2630), (660, 2104), (789, 1760), (880, 1578), (1052, 1320), (1056, 1315)]