181771668

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 533715840

約数和(自身を除く): 351944172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 92, 108, 117, 138, 156, 169, 207, 234, 276, 299, 338, 351, 414, 433, 468, 507, 598, 621, 676, 702, 828, 866, 897, 1014, 1196, 1242, 1299, 1404, 1521, 1732, 1794, 2028, 2484, 2598, 2691, 3042, 3588, 3887, 3897, 4563, 5196, 5382, 5629, 6084, 7774, 7794, 8073, 9126, 9959, 10764, 11258, 11661, 11691, 15548, 15588, 16146, 16887, 18252, 19918, 22516, 23322, 23382, 29877, 32292, 33774, 34983, 39836, 46644, 46764, 50661, 59754, 67548, 69966, 73177, 89631, 101322, 104949, 119508, 129467, 139932, 146354, 151983, 179262, 202644, 209898, 219531, 258934, 268893, 292708, 303966, 358524, 388401, 419796, 439062, 517868, 537786, 607932, 658593, 776802, 878124, 1075572, 1165203, 1317186, 1553604, 1683071, 1975779, 2330406, 2634372, 3366142, 3495609, 3951558, 4660812, 5049213, 6732284, 6991218, 7903116, 10098426, 13982436, 15147639, 20196852, 30295278, 45442917, 60590556, 90885834, 181771668]

約数ペア:

[(1, 181771668), (2, 90885834), (3, 60590556), (4, 45442917), (6, 30295278), (9, 20196852), (12, 15147639), (13, 13982436), (18, 10098426), (23, 7903116), (26, 6991218), (27, 6732284), (36, 5049213), (39, 4660812), (46, 3951558), (52, 3495609), (54, 3366142), (69, 2634372), (78, 2330406), (92, 1975779), (108, 1683071), (117, 1553604), (138, 1317186), (156, 1165203), (169, 1075572), (207, 878124), (234, 776802), (276, 658593), (299, 607932), (338, 537786), (351, 517868), (414, 439062), (433, 419796), (468, 388401), (507, 358524), (598, 303966), (621, 292708), (676, 268893), (702, 258934), (828, 219531), (866, 209898), (897, 202644), (1014, 179262), (1196, 151983), (1242, 146354), (1299, 139932), (1404, 129467), (1521, 119508), (1732, 104949), (1794, 101322), (2028, 89631), (2484, 73177), (2598, 69966), (2691, 67548), (3042, 59754), (3588, 50661), (3887, 46764), (3897, 46644), (4563, 39836), (5196, 34983), (5382, 33774), (5629, 32292), (6084, 29877), (7774, 23382), (7794, 23322), (8073, 22516), (9126, 19918), (9959, 18252), (10764, 16887), (11258, 16146), (11661, 15588), (11691, 15548)]