31258080

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 216

約数和(自身を含む): 124363512

約数和(自身を除く): 93105432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 443, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 886, 980, 1008, 1120, 1176, 1260, 1329, 1440, 1470, 1568, 1680, 1764, 1772, 1960, 2016, 2205, 2215, 2352, 2520, 2658, 2940, 3101, 3360, 3528, 3544, 3920, 3987, 4410, 4430, 4704, 5040, 5316, 5880, 6202, 6645, 7056, 7088, 7840, 7974, 8820, 8860, 9303, 10080, 10632, 11760, 12404, 13290, 14112, 14176, 15505, 15948, 17640, 17720, 18606, 19935, 21264, 21707, 23520, 24808, 26580, 27909, 31010, 31896, 35280, 35440, 37212, 39870, 42528, 43414, 46515, 49616, 53160, 55818, 62020, 63792, 65121, 70560, 70880, 74424, 79740, 86828, 93030, 99232, 106320, 108535, 111636, 124040, 127584, 130242, 139545, 148848, 159480, 173656, 186060, 195363, 212640, 217070, 223272, 248080, 260484, 279090, 297696, 318960, 325605, 347312, 372120, 390726, 434140, 446544, 496160, 520968, 558180, 637920, 651210, 694624, 744240, 781452, 868280, 893088, 976815, 1041936, 1116360, 1302420, 1488480, 1562904, 1736560, 1953630, 2083872, 2232720, 2604840, 3125808, 3473120, 3907260, 4465440, 5209680, 6251616, 7814520, 10419360, 15629040, 31258080]

約数ペア:

[(1, 31258080), (2, 15629040), (3, 10419360), (4, 7814520), (5, 6251616), (6, 5209680), (7, 4465440), (8, 3907260), (9, 3473120), (10, 3125808), (12, 2604840), (14, 2232720), (15, 2083872), (16, 1953630), (18, 1736560), (20, 1562904), (21, 1488480), (24, 1302420), (28, 1116360), (30, 1041936), (32, 976815), (35, 893088), (36, 868280), (40, 781452), (42, 744240), (45, 694624), (48, 651210), (49, 637920), (56, 558180), (60, 520968), (63, 496160), (70, 446544), (72, 434140), (80, 390726), (84, 372120), (90, 347312), (96, 325605), (98, 318960), (105, 297696), (112, 279090), (120, 260484), (126, 248080), (140, 223272), (144, 217070), (147, 212640), (160, 195363), (168, 186060), (180, 173656), (196, 159480), (210, 148848), (224, 139545), (240, 130242), (245, 127584), (252, 124040), (280, 111636), (288, 108535), (294, 106320), (315, 99232), (336, 93030), (360, 86828), (392, 79740), (420, 74424), (441, 70880), (443, 70560), (480, 65121), (490, 63792), (504, 62020), (560, 55818), (588, 53160), (630, 49616), (672, 46515), (720, 43414), (735, 42528), (784, 39870), (840, 37212), (882, 35440), (886, 35280), (980, 31896), (1008, 31010), (1120, 27909), (1176, 26580), (1260, 24808), (1329, 23520), (1440, 21707), (1470, 21264), (1568, 19935), (1680, 18606), (1764, 17720), (1772, 17640), (1960, 15948), (2016, 15505), (2205, 14176), (2215, 14112), (2352, 13290), (2520, 12404), (2658, 11760), (2940, 10632), (3101, 10080), (3360, 9303), (3528, 8860), (3544, 8820), (3920, 7974), (3987, 7840), (4410, 7088), (4430, 7056), (4704, 6645), (5040, 6202), (5316, 5880)]