256665984

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 725913600

約数和(自身を除く): 469247616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 127, 128, 152, 192, 228, 254, 277, 304, 381, 384, 456, 508, 554, 608, 762, 831, 912, 1016, 1108, 1216, 1524, 1662, 1824, 2032, 2216, 2413, 2432, 3048, 3324, 3648, 4064, 4432, 4826, 5263, 6096, 6648, 7239, 7296, 8128, 8864, 9652, 10526, 12192, 13296, 14478, 15789, 16256, 17728, 19304, 21052, 24384, 26592, 28956, 31578, 35179, 35456, 38608, 42104, 48768, 53184, 57912, 63156, 70358, 77216, 84208, 105537, 106368, 115824, 126312, 140716, 154432, 168416, 211074, 231648, 252624, 281432, 308864, 336832, 422148, 463296, 505248, 562864, 668401, 673664, 844296, 926592, 1010496, 1125728, 1336802, 1688592, 2005203, 2020992, 2251456, 2673604, 3377184, 4010406, 4502912, 5347208, 6754368, 8020812, 10694416, 13508736, 16041624, 21388832, 32083248, 42777664, 64166496, 85555328, 128332992, 256665984]

約数ペア:

[(1, 256665984), (2, 128332992), (3, 85555328), (4, 64166496), (6, 42777664), (8, 32083248), (12, 21388832), (16, 16041624), (19, 13508736), (24, 10694416), (32, 8020812), (38, 6754368), (48, 5347208), (57, 4502912), (64, 4010406), (76, 3377184), (96, 2673604), (114, 2251456), (127, 2020992), (128, 2005203), (152, 1688592), (192, 1336802), (228, 1125728), (254, 1010496), (277, 926592), (304, 844296), (381, 673664), (384, 668401), (456, 562864), (508, 505248), (554, 463296), (608, 422148), (762, 336832), (831, 308864), (912, 281432), (1016, 252624), (1108, 231648), (1216, 211074), (1524, 168416), (1662, 154432), (1824, 140716), (2032, 126312), (2216, 115824), (2413, 106368), (2432, 105537), (3048, 84208), (3324, 77216), (3648, 70358), (4064, 63156), (4432, 57912), (4826, 53184), (5263, 48768), (6096, 42104), (6648, 38608), (7239, 35456), (7296, 35179), (8128, 31578), (8864, 28956), (9652, 26592), (10526, 24384), (12192, 21052), (13296, 19304), (14478, 17728), (15789, 16256)]