4080720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{347}}^1$

素因数の和:377

約数の個数: 120

約数和(自身を含む): 14757984

約数和(自身を除く): 10677264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 347, 392, 420, 490, 560, 588, 694, 735, 784, 840, 980, 1041, 1176, 1388, 1470, 1680, 1735, 1960, 2082, 2352, 2429, 2776, 2940, 3470, 3920, 4164, 4858, 5205, 5552, 5880, 6940, 7287, 8328, 9716, 10410, 11760, 12145, 13880, 14574, 16656, 17003, 19432, 20820, 24290, 27760, 29148, 34006, 36435, 38864, 41640, 48580, 51009, 58296, 68012, 72870, 83280, 85015, 97160, 102018, 116592, 136024, 145740, 170030, 194320, 204036, 255045, 272048, 291480, 340060, 408072, 510090, 582960, 680120, 816144, 1020180, 1360240, 2040360, 4080720]

約数ペア:

[(1, 4080720), (2, 2040360), (3, 1360240), (4, 1020180), (5, 816144), (6, 680120), (7, 582960), (8, 510090), (10, 408072), (12, 340060), (14, 291480), (15, 272048), (16, 255045), (20, 204036), (21, 194320), (24, 170030), (28, 145740), (30, 136024), (35, 116592), (40, 102018), (42, 97160), (48, 85015), (49, 83280), (56, 72870), (60, 68012), (70, 58296), (80, 51009), (84, 48580), (98, 41640), (105, 38864), (112, 36435), (120, 34006), (140, 29148), (147, 27760), (168, 24290), (196, 20820), (210, 19432), (240, 17003), (245, 16656), (280, 14574), (294, 13880), (336, 12145), (347, 11760), (392, 10410), (420, 9716), (490, 8328), (560, 7287), (588, 6940), (694, 5880), (735, 5552), (784, 5205), (840, 4858), (980, 4164), (1041, 3920), (1176, 3470), (1388, 2940), (1470, 2776), (1680, 2429), (1735, 2352), (1960, 2082)]