2655240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 9504000

約数和(自身を除く): 6848760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 109, 116, 120, 140, 145, 168, 174, 203, 210, 218, 232, 280, 290, 327, 348, 406, 420, 435, 436, 545, 580, 609, 654, 696, 763, 812, 840, 870, 872, 1015, 1090, 1160, 1218, 1308, 1526, 1624, 1635, 1740, 2030, 2180, 2289, 2436, 2616, 3045, 3052, 3161, 3270, 3480, 3815, 4060, 4360, 4578, 4872, 6090, 6104, 6322, 6540, 7630, 8120, 9156, 9483, 11445, 12180, 12644, 13080, 15260, 15805, 18312, 18966, 22127, 22890, 24360, 25288, 30520, 31610, 37932, 44254, 45780, 47415, 63220, 66381, 75864, 88508, 91560, 94830, 110635, 126440, 132762, 177016, 189660, 221270, 265524, 331905, 379320, 442540, 531048, 663810, 885080, 1327620, 2655240]

約数ペア:

[(1, 2655240), (2, 1327620), (3, 885080), (4, 663810), (5, 531048), (6, 442540), (7, 379320), (8, 331905), (10, 265524), (12, 221270), (14, 189660), (15, 177016), (20, 132762), (21, 126440), (24, 110635), (28, 94830), (29, 91560), (30, 88508), (35, 75864), (40, 66381), (42, 63220), (56, 47415), (58, 45780), (60, 44254), (70, 37932), (84, 31610), (87, 30520), (105, 25288), (109, 24360), (116, 22890), (120, 22127), (140, 18966), (145, 18312), (168, 15805), (174, 15260), (203, 13080), (210, 12644), (218, 12180), (232, 11445), (280, 9483), (290, 9156), (327, 8120), (348, 7630), (406, 6540), (420, 6322), (435, 6104), (436, 6090), (545, 4872), (580, 4578), (609, 4360), (654, 4060), (696, 3815), (763, 3480), (812, 3270), (840, 3161), (870, 3052), (872, 3045), (1015, 2616), (1090, 2436), (1160, 2289), (1218, 2180), (1308, 2030), (1526, 1740), (1624, 1635)]