1281497760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1709

約数の個数: 240

約数和(自身を含む): 4599596232

約数和(自身を除く): 3318098472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 488, 540, 549, 610, 648, 720, 732, 810, 864, 915, 976, 1080, 1098, 1220, 1296, 1440, 1464, 1620, 1621, 1647, 1830, 1952, 2160, 2196, 2440, 2592, 2745, 2928, 3240, 3242, 3294, 3660, 4320, 4392, 4863, 4880, 4941, 5490, 5856, 6480, 6484, 6588, 7320, 8105, 8235, 8784, 9726, 9760, 9882, 10980, 12960, 12968, 13176, 14589, 14640, 16210, 16470, 17568, 19452, 19764, 21960, 24315, 24705, 25936, 26352, 29178, 29280, 32420, 32940, 38904, 39528, 43767, 43920, 48630, 49410, 51872, 52704, 58356, 64840, 65880, 72945, 77808, 79056, 87534, 87840, 97260, 98820, 98881, 116712, 129680, 131301, 131760, 145890, 155616, 158112, 175068, 194520, 197640, 197762, 218835, 233424, 259360, 262602, 263520, 291780, 296643, 350136, 389040, 395280, 395524, 437670, 466848, 494405, 525204, 583560, 593286, 656505, 700272, 778080, 790560, 791048, 875340, 889929, 988810, 1050408, 1167120, 1186572, 1313010, 1400544, 1483215, 1582096, 1750680, 1779858, 1977620, 2100816, 2334240, 2373144, 2626020, 2669787, 2966430, 3164192, 3501360, 3559716, 3955240, 4201632, 4449645, 4746288, 5252040, 5339574, 5932860, 7002720, 7119432, 7910480, 8009361, 8899290, 9492576, 10504080, 10679148, 11865720, 13348935, 14238864, 15820960, 16018722, 17798580, 21008160, 21358296, 23731440, 26697870, 28477728, 32037444, 35597160, 40046805, 42716592, 47462880, 53395740, 64074888, 71194320, 80093610, 85433184, 106791480, 128149776, 142388640, 160187220, 213582960, 256299552, 320374440, 427165920, 640748880, 1281497760]

約数ペア:

[(1, 1281497760), (2, 640748880), (3, 427165920), (4, 320374440), (5, 256299552), (6, 213582960), (8, 160187220), (9, 142388640), (10, 128149776), (12, 106791480), (15, 85433184), (16, 80093610), (18, 71194320), (20, 64074888), (24, 53395740), (27, 47462880), (30, 42716592), (32, 40046805), (36, 35597160), (40, 32037444), (45, 28477728), (48, 26697870), (54, 23731440), (60, 21358296), (61, 21008160), (72, 17798580), (80, 16018722), (81, 15820960), (90, 14238864), (96, 13348935), (108, 11865720), (120, 10679148), (122, 10504080), (135, 9492576), (144, 8899290), (160, 8009361), (162, 7910480), (180, 7119432), (183, 7002720), (216, 5932860), (240, 5339574), (244, 5252040), (270, 4746288), (288, 4449645), (305, 4201632), (324, 3955240), (360, 3559716), (366, 3501360), (405, 3164192), (432, 2966430), (480, 2669787), (488, 2626020), (540, 2373144), (549, 2334240), (610, 2100816), (648, 1977620), (720, 1779858), (732, 1750680), (810, 1582096), (864, 1483215), (915, 1400544), (976, 1313010), (1080, 1186572), (1098, 1167120), (1220, 1050408), (1296, 988810), (1440, 889929), (1464, 875340), (1620, 791048), (1621, 790560), (1647, 778080), (1830, 700272), (1952, 656505), (2160, 593286), (2196, 583560), (2440, 525204), (2592, 494405), (2745, 466848), (2928, 437670), (3240, 395524), (3242, 395280), (3294, 389040), (3660, 350136), (4320, 296643), (4392, 291780), (4863, 263520), (4880, 262602), (4941, 259360), (5490, 233424), (5856, 218835), (6480, 197762), (6484, 197640), (6588, 194520), (7320, 175068), (8105, 158112), (8235, 155616), (8784, 145890), (9726, 131760), (9760, 131301), (9882, 129680), (10980, 116712), (12960, 98881), (12968, 98820), (13176, 97260), (14589, 87840), (14640, 87534), (16210, 79056), (16470, 77808), (17568, 72945), (19452, 65880), (19764, 64840), (21960, 58356), (24315, 52704), (24705, 51872), (25936, 49410), (26352, 48630), (29178, 43920), (29280, 43767), (32420, 39528), (32940, 38904)]