255268440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 288

約数和(自身を含む): 1000350000

約数和(自身を除く): 745081560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 49, 56, 58, 60, 63, 70, 72, 84, 87, 90, 98, 105, 116, 120, 126, 140, 145, 147, 168, 174, 180, 196, 203, 210, 232, 245, 252, 261, 280, 290, 294, 315, 348, 360, 392, 406, 420, 435, 441, 490, 499, 504, 522, 580, 588, 609, 630, 696, 735, 812, 840, 870, 882, 980, 998, 1015, 1044, 1160, 1176, 1218, 1260, 1305, 1421, 1470, 1497, 1624, 1740, 1764, 1827, 1960, 1996, 2030, 2088, 2205, 2436, 2495, 2520, 2610, 2842, 2940, 2994, 3045, 3480, 3493, 3528, 3654, 3992, 4060, 4263, 4410, 4491, 4872, 4990, 5220, 5684, 5880, 5988, 6090, 6986, 7105, 7308, 7485, 8120, 8526, 8820, 8982, 9135, 9980, 10440, 10479, 11368, 11976, 12180, 12789, 13972, 14210, 14471, 14616, 14970, 17052, 17465, 17640, 17964, 18270, 19960, 20958, 21315, 22455, 24360, 24451, 25578, 27944, 28420, 28942, 29940, 31437, 34104, 34930, 35928, 36540, 41916, 42630, 43413, 44910, 48902, 51156, 52395, 56840, 57884, 59880, 62874, 63945, 69860, 72355, 73080, 73353, 83832, 85260, 86826, 89820, 97804, 101297, 102312, 104790, 115768, 122255, 125748, 127890, 130239, 139720, 144710, 146706, 157185, 170520, 173652, 179640, 195608, 202594, 209580, 217065, 220059, 244510, 251496, 255780, 260478, 289420, 293412, 303891, 314370, 347304, 366765, 405188, 419160, 434130, 440118, 489020, 506485, 511560, 520956, 578840, 586824, 607782, 628740, 651195, 709079, 733530, 810376, 868260, 880236, 911673, 978040, 1012970, 1041912, 1100295, 1215564, 1257480, 1302390, 1418158, 1467060, 1519455, 1736520, 1760472, 1823346, 2025940, 2127237, 2200590, 2431128, 2604780, 2836316, 2934120, 3038910, 3545395, 3646692, 4051880, 4254474, 4401180, 4558365, 5209560, 5672632, 6077820, 6381711, 7090790, 7293384, 8508948, 8802360, 9116730, 10636185, 12155640, 12763422, 14181580, 17017896, 18233460, 21272370, 25526844, 28363160, 31908555, 36466920, 42544740, 51053688, 63817110, 85089480, 127634220, 255268440]

約数ペア:

[(1, 255268440), (2, 127634220), (3, 85089480), (4, 63817110), (5, 51053688), (6, 42544740), (7, 36466920), (8, 31908555), (9, 28363160), (10, 25526844), (12, 21272370), (14, 18233460), (15, 17017896), (18, 14181580), (20, 12763422), (21, 12155640), (24, 10636185), (28, 9116730), (29, 8802360), (30, 8508948), (35, 7293384), (36, 7090790), (40, 6381711), (42, 6077820), (45, 5672632), (49, 5209560), (56, 4558365), (58, 4401180), (60, 4254474), (63, 4051880), (70, 3646692), (72, 3545395), (84, 3038910), (87, 2934120), (90, 2836316), (98, 2604780), (105, 2431128), (116, 2200590), (120, 2127237), (126, 2025940), (140, 1823346), (145, 1760472), (147, 1736520), (168, 1519455), (174, 1467060), (180, 1418158), (196, 1302390), (203, 1257480), (210, 1215564), (232, 1100295), (245, 1041912), (252, 1012970), (261, 978040), (280, 911673), (290, 880236), (294, 868260), (315, 810376), (348, 733530), (360, 709079), (392, 651195), (406, 628740), (420, 607782), (435, 586824), (441, 578840), (490, 520956), (499, 511560), (504, 506485), (522, 489020), (580, 440118), (588, 434130), (609, 419160), (630, 405188), (696, 366765), (735, 347304), (812, 314370), (840, 303891), (870, 293412), (882, 289420), (980, 260478), (998, 255780), (1015, 251496), (1044, 244510), (1160, 220059), (1176, 217065), (1218, 209580), (1260, 202594), (1305, 195608), (1421, 179640), (1470, 173652), (1497, 170520), (1624, 157185), (1740, 146706), (1764, 144710), (1827, 139720), (1960, 130239), (1996, 127890), (2030, 125748), (2088, 122255), (2205, 115768), (2436, 104790), (2495, 102312), (2520, 101297), (2610, 97804), (2842, 89820), (2940, 86826), (2994, 85260), (3045, 83832), (3480, 73353), (3493, 73080), (3528, 72355), (3654, 69860), (3992, 63945), (4060, 62874), (4263, 59880), (4410, 57884), (4491, 56840), (4872, 52395), (4990, 51156), (5220, 48902), (5684, 44910), (5880, 43413), (5988, 42630), (6090, 41916), (6986, 36540), (7105, 35928), (7308, 34930), (7485, 34104), (8120, 31437), (8526, 29940), (8820, 28942), (8982, 28420), (9135, 27944), (9980, 25578), (10440, 24451), (10479, 24360), (11368, 22455), (11976, 21315), (12180, 20958), (12789, 19960), (13972, 18270), (14210, 17964), (14471, 17640), (14616, 17465), (14970, 17052)]