8161440

素因数分解:

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

素因数の和:379

約数の個数: 144

約数和(自身を含む): 29992032

約数和(自身を除く): 21830592

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 347, 392, 420, 480, 490, 560, 588, 672, 694, 735, 784, 840, 980, 1041, 1120, 1176, 1388, 1470, 1568, 1680, 1735, 1960, 2082, 2352, 2429, 2776, 2940, 3360, 3470, 3920, 4164, 4704, 4858, 5205, 5552, 5880, 6940, 7287, 7840, 8328, 9716, 10410, 11104, 11760, 12145, 13880, 14574, 16656, 17003, 19432, 20820, 23520, 24290, 27760, 29148, 33312, 34006, 36435, 38864, 41640, 48580, 51009, 55520, 58296, 68012, 72870, 77728, 83280, 85015, 97160, 102018, 116592, 136024, 145740, 166560, 170030, 194320, 204036, 233184, 255045, 272048, 291480, 340060, 388640, 408072, 510090, 544096, 582960, 680120, 816144, 1020180, 1165920, 1360240, 1632288, 2040360, 2720480, 4080720, 8161440]

約数ペア:

[(1, 8161440), (2, 4080720), (3, 2720480), (4, 2040360), (5, 1632288), (6, 1360240), (7, 1165920), (8, 1020180), (10, 816144), (12, 680120), (14, 582960), (15, 544096), (16, 510090), (20, 408072), (21, 388640), (24, 340060), (28, 291480), (30, 272048), (32, 255045), (35, 233184), (40, 204036), (42, 194320), (48, 170030), (49, 166560), (56, 145740), (60, 136024), (70, 116592), (80, 102018), (84, 97160), (96, 85015), (98, 83280), (105, 77728), (112, 72870), (120, 68012), (140, 58296), (147, 55520), (160, 51009), (168, 48580), (196, 41640), (210, 38864), (224, 36435), (240, 34006), (245, 33312), (280, 29148), (294, 27760), (336, 24290), (347, 23520), (392, 20820), (420, 19432), (480, 17003), (490, 16656), (560, 14574), (588, 13880), (672, 12145), (694, 11760), (735, 11104), (784, 10410), (840, 9716), (980, 8328), (1041, 7840), (1120, 7287), (1176, 6940), (1388, 5880), (1470, 5552), (1568, 5205), (1680, 4858), (1735, 4704), (1960, 4164), (2082, 3920), (2352, 3470), (2429, 3360), (2776, 2940)]