28565040

素因数分解:

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

素因数の和:384

約数の個数: 160

約数和(自身を含む): 103564800

約数和(自身を除く): 74999760

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, 343, 347, 392, 420, 490, 560, 588, 686, 694, 735, 784, 840, 980, 1029, 1041, 1176, 1372, 1388, 1470, 1680, 1715, 1735, 1960, 2058, 2082, 2352, 2429, 2744, 2776, 2940, 3430, 3470, 3920, 4116, 4164, 4858, 5145, 5205, 5488, 5552, 5880, 6860, 6940, 7287, 8232, 8328, 9716, 10290, 10410, 11760, 12145, 13720, 13880, 14574, 16464, 16656, 17003, 19432, 20580, 20820, 24290, 27440, 27760, 29148, 34006, 36435, 38864, 41160, 41640, 48580, 51009, 58296, 68012, 72870, 82320, 83280, 85015, 97160, 102018, 116592, 119021, 136024, 145740, 170030, 194320, 204036, 238042, 255045, 272048, 291480, 340060, 357063, 408072, 476084, 510090, 582960, 595105, 680120, 714126, 816144, 952168, 1020180, 1190210, 1360240, 1428252, 1785315, 1904336, 2040360, 2380420, 2856504, 3570630, 4080720, 4760840, 5713008, 7141260, 9521680, 14282520, 28565040]

約数ペア:

[(1, 28565040), (2, 14282520), (3, 9521680), (4, 7141260), (5, 5713008), (6, 4760840), (7, 4080720), (8, 3570630), (10, 2856504), (12, 2380420), (14, 2040360), (15, 1904336), (16, 1785315), (20, 1428252), (21, 1360240), (24, 1190210), (28, 1020180), (30, 952168), (35, 816144), (40, 714126), (42, 680120), (48, 595105), (49, 582960), (56, 510090), (60, 476084), (70, 408072), (80, 357063), (84, 340060), (98, 291480), (105, 272048), (112, 255045), (120, 238042), (140, 204036), (147, 194320), (168, 170030), (196, 145740), (210, 136024), (240, 119021), (245, 116592), (280, 102018), (294, 97160), (336, 85015), (343, 83280), (347, 82320), (392, 72870), (420, 68012), (490, 58296), (560, 51009), (588, 48580), (686, 41640), (694, 41160), (735, 38864), (784, 36435), (840, 34006), (980, 29148), (1029, 27760), (1041, 27440), (1176, 24290), (1372, 20820), (1388, 20580), (1470, 19432), (1680, 17003), (1715, 16656), (1735, 16464), (1960, 14574), (2058, 13880), (2082, 13720), (2352, 12145), (2429, 11760), (2744, 10410), (2776, 10290), (2940, 9716), (3430, 8328), (3470, 8232), (3920, 7287), (4116, 6940), (4164, 6860), (4858, 5880), (5145, 5552), (5205, 5488)]