81581280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15451}}^1$

素因数の和:15480

約数の個数: 96

約数和(自身を含む): 280361088

約数和(自身を除く): 198779808

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, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 15451, 30902, 46353, 61804, 77255, 92706, 123608, 154510, 169961, 185412, 231765, 247216, 309020, 339922, 370824, 463530, 494432, 509883, 618040, 679844, 741648, 849805, 927060, 1019766, 1236080, 1359688, 1483296, 1699610, 1854120, 2039532, 2472160, 2549415, 2719376, 3399220, 3708240, 4079064, 5098830, 5438752, 6798440, 7416480, 8158128, 10197660, 13596880, 16316256, 20395320, 27193760, 40790640, 81581280]

約数ペア:

[(1, 81581280), (2, 40790640), (3, 27193760), (4, 20395320), (5, 16316256), (6, 13596880), (8, 10197660), (10, 8158128), (11, 7416480), (12, 6798440), (15, 5438752), (16, 5098830), (20, 4079064), (22, 3708240), (24, 3399220), (30, 2719376), (32, 2549415), (33, 2472160), (40, 2039532), (44, 1854120), (48, 1699610), (55, 1483296), (60, 1359688), (66, 1236080), (80, 1019766), (88, 927060), (96, 849805), (110, 741648), (120, 679844), (132, 618040), (160, 509883), (165, 494432), (176, 463530), (220, 370824), (240, 339922), (264, 309020), (330, 247216), (352, 231765), (440, 185412), (480, 169961), (528, 154510), (660, 123608), (880, 92706), (1056, 77255), (1320, 61804), (1760, 46353), (2640, 30902), (5280, 15451)]