638220960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 288

約数和(自身を含む): 2375388288

約数和(自身を除く): 1737167328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 103, 104, 117, 120, 130, 144, 156, 160, 180, 195, 206, 208, 234, 240, 260, 288, 309, 312, 331, 360, 390, 412, 416, 468, 480, 515, 520, 585, 618, 624, 662, 720, 780, 824, 927, 936, 993, 1030, 1040, 1170, 1236, 1248, 1324, 1339, 1440, 1545, 1560, 1648, 1655, 1854, 1872, 1986, 2060, 2080, 2340, 2472, 2648, 2678, 2979, 3090, 3120, 3296, 3310, 3708, 3744, 3972, 4017, 4120, 4303, 4635, 4680, 4944, 4965, 5296, 5356, 5958, 6180, 6240, 6620, 6695, 7416, 7944, 8034, 8240, 8606, 9270, 9360, 9888, 9930, 10592, 10712, 11916, 12051, 12360, 12909, 13240, 13390, 14832, 14895, 15888, 16068, 16480, 17212, 18540, 18720, 19860, 20085, 21424, 21515, 23832, 24102, 24720, 25818, 26480, 26780, 29664, 29790, 31776, 32136, 34093, 34424, 37080, 38727, 39720, 40170, 42848, 43030, 47664, 48204, 49440, 51636, 52960, 53560, 59580, 60255, 64272, 64545, 68186, 68848, 74160, 77454, 79440, 80340, 86060, 95328, 96408, 102279, 103272, 107120, 119160, 120510, 128544, 129090, 136372, 137696, 148320, 154908, 158880, 160680, 170465, 172120, 192816, 193635, 204558, 206544, 214240, 238320, 241020, 258180, 272744, 306837, 309816, 321360, 340930, 344240, 385632, 387270, 409116, 413088, 443209, 476640, 482040, 511395, 516360, 545488, 613674, 619632, 642720, 681860, 688480, 774540, 818232, 886418, 964080, 1022790, 1032720, 1090976, 1227348, 1239264, 1329627, 1363720, 1534185, 1549080, 1636464, 1772836, 1928160, 2045580, 2065440, 2216045, 2454696, 2659254, 2727440, 3068370, 3098160, 3272928, 3545672, 3988881, 4091160, 4432090, 4909392, 5318508, 5454880, 6136740, 6196320, 6648135, 7091344, 7977762, 8182320, 8864180, 9818784, 10637016, 12273480, 13296270, 14182688, 15955524, 16364640, 17728360, 19944405, 21274032, 24546960, 26592540, 31911048, 35456720, 39888810, 42548064, 49093920, 53185080, 63822096, 70913440, 79777620, 106370160, 127644192, 159555240, 212740320, 319110480, 638220960]

約数ペア:

[(1, 638220960), (2, 319110480), (3, 212740320), (4, 159555240), (5, 127644192), (6, 106370160), (8, 79777620), (9, 70913440), (10, 63822096), (12, 53185080), (13, 49093920), (15, 42548064), (16, 39888810), (18, 35456720), (20, 31911048), (24, 26592540), (26, 24546960), (30, 21274032), (32, 19944405), (36, 17728360), (39, 16364640), (40, 15955524), (45, 14182688), (48, 13296270), (52, 12273480), (60, 10637016), (65, 9818784), (72, 8864180), (78, 8182320), (80, 7977762), (90, 7091344), (96, 6648135), (103, 6196320), (104, 6136740), (117, 5454880), (120, 5318508), (130, 4909392), (144, 4432090), (156, 4091160), (160, 3988881), (180, 3545672), (195, 3272928), (206, 3098160), (208, 3068370), (234, 2727440), (240, 2659254), (260, 2454696), (288, 2216045), (309, 2065440), (312, 2045580), (331, 1928160), (360, 1772836), (390, 1636464), (412, 1549080), (416, 1534185), (468, 1363720), (480, 1329627), (515, 1239264), (520, 1227348), (585, 1090976), (618, 1032720), (624, 1022790), (662, 964080), (720, 886418), (780, 818232), (824, 774540), (927, 688480), (936, 681860), (993, 642720), (1030, 619632), (1040, 613674), (1170, 545488), (1236, 516360), (1248, 511395), (1324, 482040), (1339, 476640), (1440, 443209), (1545, 413088), (1560, 409116), (1648, 387270), (1655, 385632), (1854, 344240), (1872, 340930), (1986, 321360), (2060, 309816), (2080, 306837), (2340, 272744), (2472, 258180), (2648, 241020), (2678, 238320), (2979, 214240), (3090, 206544), (3120, 204558), (3296, 193635), (3310, 192816), (3708, 172120), (3744, 170465), (3972, 160680), (4017, 158880), (4120, 154908), (4303, 148320), (4635, 137696), (4680, 136372), (4944, 129090), (4965, 128544), (5296, 120510), (5356, 119160), (5958, 107120), (6180, 103272), (6240, 102279), (6620, 96408), (6695, 95328), (7416, 86060), (7944, 80340), (8034, 79440), (8240, 77454), (8606, 74160), (9270, 68848), (9360, 68186), (9888, 64545), (9930, 64272), (10592, 60255), (10712, 59580), (11916, 53560), (12051, 52960), (12360, 51636), (12909, 49440), (13240, 48204), (13390, 47664), (14832, 43030), (14895, 42848), (15888, 40170), (16068, 39720), (16480, 38727), (17212, 37080), (18540, 34424), (18720, 34093), (19860, 32136), (20085, 31776), (21424, 29790), (21515, 29664), (23832, 26780), (24102, 26480), (24720, 25818)]