2052540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{181}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 7399392

約数和(自身を除く): 5346852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 181, 189, 210, 252, 270, 315, 324, 362, 378, 405, 420, 540, 543, 567, 630, 724, 756, 810, 905, 945, 1086, 1134, 1260, 1267, 1620, 1629, 1810, 1890, 2172, 2268, 2534, 2715, 2835, 3258, 3620, 3780, 3801, 4887, 5068, 5430, 5670, 6335, 6516, 7602, 8145, 9774, 10860, 11340, 11403, 12670, 14661, 15204, 16290, 19005, 19548, 22806, 24435, 25340, 29322, 32580, 34209, 38010, 45612, 48870, 57015, 58644, 68418, 73305, 76020, 97740, 102627, 114030, 136836, 146610, 171045, 205254, 228060, 293220, 342090, 410508, 513135, 684180, 1026270, 2052540]

約数ペア:

[(1, 2052540), (2, 1026270), (3, 684180), (4, 513135), (5, 410508), (6, 342090), (7, 293220), (9, 228060), (10, 205254), (12, 171045), (14, 146610), (15, 136836), (18, 114030), (20, 102627), (21, 97740), (27, 76020), (28, 73305), (30, 68418), (35, 58644), (36, 57015), (42, 48870), (45, 45612), (54, 38010), (60, 34209), (63, 32580), (70, 29322), (81, 25340), (84, 24435), (90, 22806), (105, 19548), (108, 19005), (126, 16290), (135, 15204), (140, 14661), (162, 12670), (180, 11403), (181, 11340), (189, 10860), (210, 9774), (252, 8145), (270, 7602), (315, 6516), (324, 6335), (362, 5670), (378, 5430), (405, 5068), (420, 4887), (540, 3801), (543, 3780), (567, 3620), (630, 3258), (724, 2835), (756, 2715), (810, 2534), (905, 2268), (945, 2172), (1086, 1890), (1134, 1810), (1260, 1629), (1267, 1620)]