256807152

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:708

約数の個数: 160

約数和(自身を含む): 849231360

約数和(自身を除く): 592424208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 163, 168, 189, 216, 252, 326, 336, 378, 432, 489, 504, 521, 652, 756, 978, 1008, 1042, 1141, 1304, 1467, 1512, 1563, 1956, 2084, 2282, 2608, 2934, 3024, 3126, 3423, 3647, 3912, 4168, 4401, 4564, 4689, 5868, 6252, 6846, 7294, 7824, 8336, 8802, 9128, 9378, 10269, 10941, 11736, 12504, 13692, 14067, 14588, 17604, 18256, 18756, 20538, 21882, 23472, 25008, 27384, 28134, 29176, 30807, 32823, 35208, 37512, 41076, 43764, 54768, 56268, 58352, 61614, 65646, 70416, 75024, 82152, 84923, 87528, 98469, 112536, 123228, 131292, 164304, 169846, 175056, 196938, 225072, 246456, 254769, 262584, 339692, 393876, 492912, 509538, 525168, 594461, 679384, 764307, 787752, 1019076, 1188922, 1358768, 1528614, 1575504, 1783383, 2038152, 2292921, 2377844, 3057228, 3566766, 4076304, 4585842, 4755688, 5350149, 6114456, 7133532, 9171684, 9511376, 10700298, 12228912, 14267064, 16050447, 18343368, 21400596, 28534128, 32100894, 36686736, 42801192, 64201788, 85602384, 128403576, 256807152]

約数ペア:

[(1, 256807152), (2, 128403576), (3, 85602384), (4, 64201788), (6, 42801192), (7, 36686736), (8, 32100894), (9, 28534128), (12, 21400596), (14, 18343368), (16, 16050447), (18, 14267064), (21, 12228912), (24, 10700298), (27, 9511376), (28, 9171684), (36, 7133532), (42, 6114456), (48, 5350149), (54, 4755688), (56, 4585842), (63, 4076304), (72, 3566766), (84, 3057228), (108, 2377844), (112, 2292921), (126, 2038152), (144, 1783383), (163, 1575504), (168, 1528614), (189, 1358768), (216, 1188922), (252, 1019076), (326, 787752), (336, 764307), (378, 679384), (432, 594461), (489, 525168), (504, 509538), (521, 492912), (652, 393876), (756, 339692), (978, 262584), (1008, 254769), (1042, 246456), (1141, 225072), (1304, 196938), (1467, 175056), (1512, 169846), (1563, 164304), (1956, 131292), (2084, 123228), (2282, 112536), (2608, 98469), (2934, 87528), (3024, 84923), (3126, 82152), (3423, 75024), (3647, 70416), (3912, 65646), (4168, 61614), (4401, 58352), (4564, 56268), (4689, 54768), (5868, 43764), (6252, 41076), (6846, 37512), (7294, 35208), (7824, 32823), (8336, 30807), (8802, 29176), (9128, 28134), (9378, 27384), (10269, 25008), (10941, 23472), (11736, 21882), (12504, 20538), (13692, 18756), (14067, 18256), (14588, 17604)]