254923760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 777825216

約数和(自身を除く): 522901456

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 97, 104, 112, 130, 133, 140, 152, 182, 190, 194, 208, 247, 260, 266, 280, 304, 361, 364, 380, 388, 455, 485, 494, 520, 532, 560, 665, 679, 722, 728, 760, 776, 910, 970, 988, 1040, 1064, 1235, 1261, 1330, 1358, 1444, 1456, 1520, 1552, 1729, 1805, 1820, 1843, 1940, 1976, 2128, 2470, 2522, 2527, 2660, 2716, 2888, 3395, 3458, 3610, 3640, 3686, 3880, 3952, 4693, 4940, 5044, 5054, 5320, 5432, 5776, 6305, 6790, 6916, 7220, 7280, 7372, 7760, 8645, 8827, 9215, 9386, 9880, 10088, 10108, 10640, 10864, 12610, 12635, 12901, 13580, 13832, 14440, 14744, 17290, 17654, 18430, 18772, 19760, 20176, 20216, 23465, 23959, 25220, 25270, 25802, 27160, 27664, 28880, 29488, 32851, 34580, 35017, 35308, 36860, 37544, 40432, 44135, 46930, 47918, 50440, 50540, 51604, 54320, 64505, 65702, 69160, 70034, 70616, 73720, 75088, 88270, 93860, 95836, 100880, 101080, 103208, 119795, 129010, 131404, 138320, 140068, 141232, 147440, 164255, 167713, 175085, 176540, 187720, 191672, 202160, 206416, 239590, 245119, 258020, 262808, 280136, 328510, 335426, 350170, 353080, 375440, 383344, 455221, 479180, 490238, 516040, 525616, 560272, 657020, 670852, 700340, 706160, 838565, 910442, 958360, 980476, 1032080, 1225595, 1314040, 1341704, 1400680, 1677130, 1820884, 1916720, 1960952, 2276105, 2451190, 2628080, 2683408, 2801360, 3186547, 3354260, 3641768, 3921904, 4552210, 4902380, 6373094, 6708520, 7283536, 9104420, 9804760, 12746188, 13417040, 15932735, 18208840, 19609520, 25492376, 31865470, 36417680, 50984752, 63730940, 127461880, 254923760]

約数ペア:

[(1, 254923760), (2, 127461880), (4, 63730940), (5, 50984752), (7, 36417680), (8, 31865470), (10, 25492376), (13, 19609520), (14, 18208840), (16, 15932735), (19, 13417040), (20, 12746188), (26, 9804760), (28, 9104420), (35, 7283536), (38, 6708520), (40, 6373094), (52, 4902380), (56, 4552210), (65, 3921904), (70, 3641768), (76, 3354260), (80, 3186547), (91, 2801360), (95, 2683408), (97, 2628080), (104, 2451190), (112, 2276105), (130, 1960952), (133, 1916720), (140, 1820884), (152, 1677130), (182, 1400680), (190, 1341704), (194, 1314040), (208, 1225595), (247, 1032080), (260, 980476), (266, 958360), (280, 910442), (304, 838565), (361, 706160), (364, 700340), (380, 670852), (388, 657020), (455, 560272), (485, 525616), (494, 516040), (520, 490238), (532, 479180), (560, 455221), (665, 383344), (679, 375440), (722, 353080), (728, 350170), (760, 335426), (776, 328510), (910, 280136), (970, 262808), (988, 258020), (1040, 245119), (1064, 239590), (1235, 206416), (1261, 202160), (1330, 191672), (1358, 187720), (1444, 176540), (1456, 175085), (1520, 167713), (1552, 164255), (1729, 147440), (1805, 141232), (1820, 140068), (1843, 138320), (1940, 131404), (1976, 129010), (2128, 119795), (2470, 103208), (2522, 101080), (2527, 100880), (2660, 95836), (2716, 93860), (2888, 88270), (3395, 75088), (3458, 73720), (3610, 70616), (3640, 70034), (3686, 69160), (3880, 65702), (3952, 64505), (4693, 54320), (4940, 51604), (5044, 50540), (5054, 50440), (5320, 47918), (5432, 46930), (5776, 44135), (6305, 40432), (6790, 37544), (6916, 36860), (7220, 35308), (7280, 35017), (7372, 34580), (7760, 32851), (8645, 29488), (8827, 28880), (9215, 27664), (9386, 27160), (9880, 25802), (10088, 25270), (10108, 25220), (10640, 23959), (10864, 23465), (12610, 20216), (12635, 20176), (12901, 19760), (13580, 18772), (13832, 18430), (14440, 17654), (14744, 17290)]