256614912

素因数分解:

$2^9\times 3^3\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1023

約数の個数: 160

約数和(自身を含む): 800395200

約数和(自身を除く): 543780288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 256, 288, 304, 342, 384, 432, 456, 512, 513, 576, 608, 684, 768, 864, 912, 977, 1026, 1152, 1216, 1368, 1536, 1728, 1824, 1954, 2052, 2304, 2432, 2736, 2931, 3456, 3648, 3908, 4104, 4608, 4864, 5472, 5862, 6912, 7296, 7816, 8208, 8793, 9728, 10944, 11724, 13824, 14592, 15632, 16416, 17586, 18563, 21888, 23448, 26379, 29184, 31264, 32832, 35172, 37126, 43776, 46896, 52758, 55689, 62528, 65664, 70344, 74252, 87552, 93792, 105516, 111378, 125056, 131328, 140688, 148504, 167067, 187584, 211032, 222756, 250112, 262656, 281376, 297008, 334134, 375168, 422064, 445512, 500224, 501201, 562752, 594016, 668268, 750336, 844128, 891024, 1002402, 1125504, 1188032, 1336536, 1500672, 1688256, 1782048, 2004804, 2251008, 2376064, 2673072, 3376512, 3564096, 4009608, 4502016, 4752128, 5346144, 6753024, 7128192, 8019216, 9504256, 10692288, 13506048, 14256384, 16038432, 21384576, 28512768, 32076864, 42769152, 64153728, 85538304, 128307456, 256614912]

約数ペア:

[(1, 256614912), (2, 128307456), (3, 85538304), (4, 64153728), (6, 42769152), (8, 32076864), (9, 28512768), (12, 21384576), (16, 16038432), (18, 14256384), (19, 13506048), (24, 10692288), (27, 9504256), (32, 8019216), (36, 7128192), (38, 6753024), (48, 5346144), (54, 4752128), (57, 4502016), (64, 4009608), (72, 3564096), (76, 3376512), (96, 2673072), (108, 2376064), (114, 2251008), (128, 2004804), (144, 1782048), (152, 1688256), (171, 1500672), (192, 1336536), (216, 1188032), (228, 1125504), (256, 1002402), (288, 891024), (304, 844128), (342, 750336), (384, 668268), (432, 594016), (456, 562752), (512, 501201), (513, 500224), (576, 445512), (608, 422064), (684, 375168), (768, 334134), (864, 297008), (912, 281376), (977, 262656), (1026, 250112), (1152, 222756), (1216, 211032), (1368, 187584), (1536, 167067), (1728, 148504), (1824, 140688), (1954, 131328), (2052, 125056), (2304, 111378), (2432, 105516), (2736, 93792), (2931, 87552), (3456, 74252), (3648, 70344), (3908, 65664), (4104, 62528), (4608, 55689), (4864, 52758), (5472, 46896), (5862, 43776), (6912, 37126), (7296, 35172), (7816, 32832), (8208, 31264), (8793, 29184), (9728, 26379), (10944, 23448), (11724, 21888), (13824, 18563), (14592, 17586), (15632, 16416)]