256152456

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 827640000

約数和(自身を除く): 571487544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 149, 162, 168, 189, 216, 252, 298, 324, 378, 379, 447, 504, 567, 596, 648, 756, 758, 894, 1043, 1134, 1137, 1192, 1341, 1512, 1516, 1788, 2086, 2268, 2274, 2653, 2682, 3032, 3129, 3411, 3576, 4023, 4172, 4536, 4548, 5306, 5364, 6258, 6822, 7959, 8046, 8344, 9096, 9387, 10233, 10612, 10728, 12069, 12516, 13644, 15918, 16092, 18774, 20466, 21224, 23877, 24138, 25032, 27288, 28161, 30699, 31836, 32184, 37548, 40932, 47754, 48276, 56322, 56471, 61398, 63672, 71631, 75096, 81864, 84483, 95508, 96552, 112644, 112942, 122796, 143262, 168966, 169413, 191016, 214893, 225288, 225884, 245592, 286524, 337932, 338826, 395297, 429786, 451768, 508239, 573048, 675864, 677652, 790594, 859572, 1016478, 1185891, 1355304, 1524717, 1581188, 1719144, 2032956, 2371782, 3049434, 3162376, 3557673, 4065912, 4574151, 4743564, 6098868, 7115346, 9148302, 9487128, 10673019, 12197736, 14230692, 18296604, 21346038, 28461384, 32019057, 36593208, 42692076, 64038114, 85384152, 128076228, 256152456]

約数ペア:

[(1, 256152456), (2, 128076228), (3, 85384152), (4, 64038114), (6, 42692076), (7, 36593208), (8, 32019057), (9, 28461384), (12, 21346038), (14, 18296604), (18, 14230692), (21, 12197736), (24, 10673019), (27, 9487128), (28, 9148302), (36, 7115346), (42, 6098868), (54, 4743564), (56, 4574151), (63, 4065912), (72, 3557673), (81, 3162376), (84, 3049434), (108, 2371782), (126, 2032956), (149, 1719144), (162, 1581188), (168, 1524717), (189, 1355304), (216, 1185891), (252, 1016478), (298, 859572), (324, 790594), (378, 677652), (379, 675864), (447, 573048), (504, 508239), (567, 451768), (596, 429786), (648, 395297), (756, 338826), (758, 337932), (894, 286524), (1043, 245592), (1134, 225884), (1137, 225288), (1192, 214893), (1341, 191016), (1512, 169413), (1516, 168966), (1788, 143262), (2086, 122796), (2268, 112942), (2274, 112644), (2653, 96552), (2682, 95508), (3032, 84483), (3129, 81864), (3411, 75096), (3576, 71631), (4023, 63672), (4172, 61398), (4536, 56471), (4548, 56322), (5306, 48276), (5364, 47754), (6258, 40932), (6822, 37548), (7959, 32184), (8046, 31836), (8344, 30699), (9096, 28161), (9387, 27288), (10233, 25032), (10612, 24138), (10728, 23877), (12069, 21224), (12516, 20466), (13644, 18774), (15918, 16092)]