255493140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 862299648

約数和(自身を除く): 606806508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 41, 42, 60, 70, 74, 82, 84, 105, 111, 123, 140, 148, 164, 185, 205, 210, 222, 246, 259, 287, 370, 401, 410, 420, 444, 492, 518, 555, 574, 615, 740, 777, 802, 820, 861, 1036, 1110, 1148, 1203, 1230, 1295, 1435, 1517, 1554, 1604, 1722, 2005, 2220, 2406, 2460, 2590, 2807, 2870, 3034, 3108, 3444, 3885, 4010, 4305, 4551, 4812, 5180, 5614, 5740, 6015, 6068, 7585, 7770, 8020, 8421, 8610, 9102, 10619, 11228, 12030, 14035, 14837, 15170, 15540, 16441, 16842, 17220, 18204, 21238, 22755, 24060, 28070, 29674, 30340, 31857, 32882, 33684, 42105, 42476, 44511, 45510, 49323, 53095, 56140, 59348, 63714, 65764, 74185, 82205, 84210, 89022, 91020, 98646, 103859, 106190, 115087, 127428, 148370, 159285, 164410, 168420, 178044, 197292, 207718, 212380, 222555, 230174, 246615, 296740, 311577, 318570, 328820, 345261, 415436, 445110, 460348, 493230, 519295, 575435, 608317, 623154, 637140, 690522, 890220, 986460, 1038590, 1150870, 1216634, 1246308, 1381044, 1557885, 1726305, 1824951, 2077180, 2301740, 2433268, 3041585, 3115770, 3452610, 3649902, 4258219, 6083170, 6231540, 6905220, 7299804, 8516438, 9124755, 12166340, 12774657, 17032876, 18249510, 21291095, 25549314, 36499020, 42582190, 51098628, 63873285, 85164380, 127746570, 255493140]

約数ペア:

[(1, 255493140), (2, 127746570), (3, 85164380), (4, 63873285), (5, 51098628), (6, 42582190), (7, 36499020), (10, 25549314), (12, 21291095), (14, 18249510), (15, 17032876), (20, 12774657), (21, 12166340), (28, 9124755), (30, 8516438), (35, 7299804), (37, 6905220), (41, 6231540), (42, 6083170), (60, 4258219), (70, 3649902), (74, 3452610), (82, 3115770), (84, 3041585), (105, 2433268), (111, 2301740), (123, 2077180), (140, 1824951), (148, 1726305), (164, 1557885), (185, 1381044), (205, 1246308), (210, 1216634), (222, 1150870), (246, 1038590), (259, 986460), (287, 890220), (370, 690522), (401, 637140), (410, 623154), (420, 608317), (444, 575435), (492, 519295), (518, 493230), (555, 460348), (574, 445110), (615, 415436), (740, 345261), (777, 328820), (802, 318570), (820, 311577), (861, 296740), (1036, 246615), (1110, 230174), (1148, 222555), (1203, 212380), (1230, 207718), (1295, 197292), (1435, 178044), (1517, 168420), (1554, 164410), (1604, 159285), (1722, 148370), (2005, 127428), (2220, 115087), (2406, 106190), (2460, 103859), (2590, 98646), (2807, 91020), (2870, 89022), (3034, 84210), (3108, 82205), (3444, 74185), (3885, 65764), (4010, 63714), (4305, 59348), (4551, 56140), (4812, 53095), (5180, 49323), (5614, 45510), (5740, 44511), (6015, 42476), (6068, 42105), (7585, 33684), (7770, 32882), (8020, 31857), (8421, 30340), (8610, 29674), (9102, 28070), (10619, 24060), (11228, 22755), (12030, 21238), (14035, 18204), (14837, 17220), (15170, 16842), (15540, 16441)]