258568960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 685067040

約数和(自身を除く): 426498080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 256, 260, 320, 328, 379, 410, 416, 520, 533, 640, 656, 758, 820, 832, 1040, 1066, 1280, 1312, 1516, 1640, 1664, 1895, 2080, 2132, 2624, 2665, 3032, 3280, 3328, 3790, 4160, 4264, 4927, 5248, 5330, 6064, 6560, 7580, 8320, 8528, 9854, 10496, 10660, 12128, 13120, 15160, 15539, 16640, 17056, 19708, 21320, 24256, 24635, 26240, 30320, 31078, 34112, 39416, 42640, 48512, 49270, 52480, 60640, 62156, 68224, 77695, 78832, 85280, 97024, 98540, 121280, 124312, 136448, 155390, 157664, 170560, 197080, 202007, 242560, 248624, 310780, 315328, 341120, 394160, 404014, 485120, 497248, 621560, 630656, 682240, 788320, 808028, 994496, 1010035, 1243120, 1261312, 1576640, 1616056, 1988992, 2020070, 2486240, 3153280, 3232112, 3977984, 4040140, 4972480, 6306560, 6464224, 8080280, 9944960, 12928448, 16160560, 19889920, 25856896, 32321120, 51713792, 64642240, 129284480, 258568960]

約数ペア:

[(1, 258568960), (2, 129284480), (4, 64642240), (5, 51713792), (8, 32321120), (10, 25856896), (13, 19889920), (16, 16160560), (20, 12928448), (26, 9944960), (32, 8080280), (40, 6464224), (41, 6306560), (52, 4972480), (64, 4040140), (65, 3977984), (80, 3232112), (82, 3153280), (104, 2486240), (128, 2020070), (130, 1988992), (160, 1616056), (164, 1576640), (205, 1261312), (208, 1243120), (256, 1010035), (260, 994496), (320, 808028), (328, 788320), (379, 682240), (410, 630656), (416, 621560), (520, 497248), (533, 485120), (640, 404014), (656, 394160), (758, 341120), (820, 315328), (832, 310780), (1040, 248624), (1066, 242560), (1280, 202007), (1312, 197080), (1516, 170560), (1640, 157664), (1664, 155390), (1895, 136448), (2080, 124312), (2132, 121280), (2624, 98540), (2665, 97024), (3032, 85280), (3280, 78832), (3328, 77695), (3790, 68224), (4160, 62156), (4264, 60640), (4927, 52480), (5248, 49270), (5330, 48512), (6064, 42640), (6560, 39416), (7580, 34112), (8320, 31078), (8528, 30320), (9854, 26240), (10496, 24635), (10660, 24256), (12128, 21320), (13120, 19708), (15160, 17056), (15539, 16640)]