257875488

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2589

約数の個数: 144

約数和(自身を含む): 819314496

約数和(自身を除く): 561439008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 288, 312, 324, 351, 416, 432, 468, 486, 624, 648, 702, 864, 936, 972, 1053, 1248, 1296, 1404, 1872, 1944, 2106, 2551, 2592, 2808, 3159, 3744, 3888, 4212, 5102, 5616, 6318, 7653, 7776, 8424, 10204, 11232, 12636, 15306, 16848, 20408, 22959, 25272, 30612, 33163, 33696, 40816, 45918, 50544, 61224, 66326, 68877, 81632, 91836, 99489, 101088, 122448, 132652, 137754, 183672, 198978, 206631, 244896, 265304, 275508, 298467, 367344, 397956, 413262, 530608, 551016, 596934, 619893, 734688, 795912, 826524, 895401, 1061216, 1102032, 1193868, 1239786, 1591824, 1653048, 1790802, 2204064, 2387736, 2479572, 2686203, 3183648, 3306096, 3581604, 4775472, 4959144, 5372406, 6612192, 7163208, 8058609, 9550944, 9918288, 10744812, 14326416, 16117218, 19836576, 21489624, 28652832, 32234436, 42979248, 64468872, 85958496, 128937744, 257875488]

約数ペア:

[(1, 257875488), (2, 128937744), (3, 85958496), (4, 64468872), (6, 42979248), (8, 32234436), (9, 28652832), (12, 21489624), (13, 19836576), (16, 16117218), (18, 14326416), (24, 10744812), (26, 9918288), (27, 9550944), (32, 8058609), (36, 7163208), (39, 6612192), (48, 5372406), (52, 4959144), (54, 4775472), (72, 3581604), (78, 3306096), (81, 3183648), (96, 2686203), (104, 2479572), (108, 2387736), (117, 2204064), (144, 1790802), (156, 1653048), (162, 1591824), (208, 1239786), (216, 1193868), (234, 1102032), (243, 1061216), (288, 895401), (312, 826524), (324, 795912), (351, 734688), (416, 619893), (432, 596934), (468, 551016), (486, 530608), (624, 413262), (648, 397956), (702, 367344), (864, 298467), (936, 275508), (972, 265304), (1053, 244896), (1248, 206631), (1296, 198978), (1404, 183672), (1872, 137754), (1944, 132652), (2106, 122448), (2551, 101088), (2592, 99489), (2808, 91836), (3159, 81632), (3744, 68877), (3888, 66326), (4212, 61224), (5102, 50544), (5616, 45918), (6318, 40816), (7653, 33696), (7776, 33163), (8424, 30612), (10204, 25272), (11232, 22959), (12636, 20408), (15306, 16848)]