1780702976

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 108

約数和(自身を含む): 3905102880

約数和(自身を除く): 2124399904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 169, 208, 256, 316, 338, 416, 521, 632, 676, 832, 1027, 1042, 1264, 1352, 1664, 2054, 2084, 2528, 2704, 3328, 4108, 4168, 5056, 5408, 6773, 8216, 8336, 10112, 10816, 13351, 13546, 16432, 16672, 20224, 21632, 26702, 27092, 32864, 33344, 41159, 43264, 53404, 54184, 65728, 66688, 82318, 88049, 106808, 108368, 131456, 133376, 164636, 176098, 213616, 216736, 262912, 329272, 352196, 427232, 433472, 535067, 658544, 704392, 854464, 866944, 1070134, 1317088, 1408784, 1708928, 1733888, 2140268, 2634176, 2817568, 3417856, 4280536, 5268352, 5635136, 6955871, 8561072, 10536704, 11270272, 13911742, 17122144, 22540544, 27823484, 34244288, 55646968, 68488576, 111293936, 136977152, 222587872, 445175744, 890351488, 1780702976]

約数ペア:

[(1, 1780702976), (2, 890351488), (4, 445175744), (8, 222587872), (13, 136977152), (16, 111293936), (26, 68488576), (32, 55646968), (52, 34244288), (64, 27823484), (79, 22540544), (104, 17122144), (128, 13911742), (158, 11270272), (169, 10536704), (208, 8561072), (256, 6955871), (316, 5635136), (338, 5268352), (416, 4280536), (521, 3417856), (632, 2817568), (676, 2634176), (832, 2140268), (1027, 1733888), (1042, 1708928), (1264, 1408784), (1352, 1317088), (1664, 1070134), (2054, 866944), (2084, 854464), (2528, 704392), (2704, 658544), (3328, 535067), (4108, 433472), (4168, 427232), (5056, 352196), (5408, 329272), (6773, 262912), (8216, 216736), (8336, 213616), (10112, 176098), (10816, 164636), (13351, 133376), (13546, 131456), (16432, 108368), (16672, 106808), (20224, 88049), (21632, 82318), (26702, 66688), (27092, 65728), (32864, 54184), (33344, 53404), (41159, 43264)]