505350840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 256

約数和(自身を含む): 1697034240

約数和(自身を除く): 1191683400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 61, 62, 68, 85, 93, 102, 120, 122, 124, 131, 136, 155, 170, 183, 186, 204, 244, 248, 255, 262, 305, 310, 340, 366, 372, 393, 408, 465, 488, 510, 524, 527, 610, 620, 655, 680, 732, 744, 786, 915, 930, 1020, 1037, 1048, 1054, 1220, 1240, 1310, 1464, 1572, 1581, 1830, 1860, 1891, 1965, 2040, 2074, 2108, 2227, 2440, 2620, 2635, 3111, 3144, 3162, 3660, 3720, 3782, 3930, 4061, 4148, 4216, 4454, 5185, 5240, 5270, 5673, 6222, 6324, 6681, 7320, 7564, 7860, 7905, 7991, 8122, 8296, 8908, 9455, 10370, 10540, 11135, 11346, 12183, 12444, 12648, 13362, 15128, 15555, 15720, 15810, 15982, 16244, 17816, 18910, 20305, 20740, 21080, 22270, 22692, 23973, 24366, 24888, 26724, 28365, 31110, 31620, 31964, 32147, 32488, 33405, 37820, 39955, 40610, 41480, 44540, 45384, 47946, 48732, 53448, 56730, 60915, 62220, 63240, 63928, 64294, 66810, 69037, 75640, 79910, 81220, 89080, 95892, 96441, 97464, 113460, 119865, 121830, 124440, 128588, 133620, 135847, 138074, 159820, 160735, 162440, 191784, 192882, 207111, 226920, 239730, 243660, 247721, 257176, 267240, 271694, 276148, 319640, 321470, 345185, 385764, 407541, 414222, 479460, 482205, 487320, 495442, 543388, 552296, 642940, 679235, 690370, 743163, 771528, 815082, 828444, 958920, 964410, 990884, 1035555, 1086776, 1238605, 1285880, 1358470, 1380740, 1486326, 1630164, 1656888, 1928820, 1981768, 2037705, 2071110, 2477210, 2716940, 2761480, 2972652, 3260328, 3715815, 3857640, 4075410, 4142220, 4211257, 4954420, 5433880, 5945304, 7431630, 8150820, 8284440, 8422514, 9908840, 12633771, 14863260, 16301640, 16845028, 21056285, 25267542, 29726520, 33690056, 42112570, 50535084, 63168855, 84225140, 101070168, 126337710, 168450280, 252675420, 505350840]

約数ペア:

[(1, 505350840), (2, 252675420), (3, 168450280), (4, 126337710), (5, 101070168), (6, 84225140), (8, 63168855), (10, 50535084), (12, 42112570), (15, 33690056), (17, 29726520), (20, 25267542), (24, 21056285), (30, 16845028), (31, 16301640), (34, 14863260), (40, 12633771), (51, 9908840), (60, 8422514), (61, 8284440), (62, 8150820), (68, 7431630), (85, 5945304), (93, 5433880), (102, 4954420), (120, 4211257), (122, 4142220), (124, 4075410), (131, 3857640), (136, 3715815), (155, 3260328), (170, 2972652), (183, 2761480), (186, 2716940), (204, 2477210), (244, 2071110), (248, 2037705), (255, 1981768), (262, 1928820), (305, 1656888), (310, 1630164), (340, 1486326), (366, 1380740), (372, 1358470), (393, 1285880), (408, 1238605), (465, 1086776), (488, 1035555), (510, 990884), (524, 964410), (527, 958920), (610, 828444), (620, 815082), (655, 771528), (680, 743163), (732, 690370), (744, 679235), (786, 642940), (915, 552296), (930, 543388), (1020, 495442), (1037, 487320), (1048, 482205), (1054, 479460), (1220, 414222), (1240, 407541), (1310, 385764), (1464, 345185), (1572, 321470), (1581, 319640), (1830, 276148), (1860, 271694), (1891, 267240), (1965, 257176), (2040, 247721), (2074, 243660), (2108, 239730), (2227, 226920), (2440, 207111), (2620, 192882), (2635, 191784), (3111, 162440), (3144, 160735), (3162, 159820), (3660, 138074), (3720, 135847), (3782, 133620), (3930, 128588), (4061, 124440), (4148, 121830), (4216, 119865), (4454, 113460), (5185, 97464), (5240, 96441), (5270, 95892), (5673, 89080), (6222, 81220), (6324, 79910), (6681, 75640), (7320, 69037), (7564, 66810), (7860, 64294), (7905, 63928), (7991, 63240), (8122, 62220), (8296, 60915), (8908, 56730), (9455, 53448), (10370, 48732), (10540, 47946), (11135, 45384), (11346, 44540), (12183, 41480), (12444, 40610), (12648, 39955), (13362, 37820), (15128, 33405), (15555, 32488), (15720, 32147), (15810, 31964), (15982, 31620), (16244, 31110), (17816, 28365), (18910, 26724), (20305, 24888), (20740, 24366), (21080, 23973), (22270, 22692)]