1256161280

素因数分解:

$2^{15}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 256

約数和(自身を含む): 3567201120

約数和(自身を除く): 2311039840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 41, 44, 55, 64, 68, 80, 82, 85, 88, 110, 128, 136, 160, 164, 170, 176, 187, 205, 220, 256, 272, 320, 328, 340, 352, 374, 410, 440, 451, 512, 544, 640, 656, 680, 697, 704, 748, 820, 880, 902, 935, 1024, 1088, 1280, 1312, 1360, 1394, 1408, 1496, 1640, 1760, 1804, 1870, 2048, 2176, 2255, 2560, 2624, 2720, 2788, 2816, 2992, 3280, 3485, 3520, 3608, 3740, 4096, 4352, 4510, 5120, 5248, 5440, 5576, 5632, 5984, 6560, 6970, 7040, 7216, 7480, 7667, 8192, 8704, 9020, 10240, 10496, 10880, 11152, 11264, 11968, 13120, 13940, 14080, 14432, 14960, 15334, 16384, 17408, 18040, 20480, 20992, 21760, 22304, 22528, 23936, 26240, 27880, 28160, 28864, 29920, 30668, 32768, 34816, 36080, 38335, 40960, 41984, 43520, 44608, 45056, 47872, 52480, 55760, 56320, 57728, 59840, 61336, 69632, 72160, 76670, 81920, 83968, 87040, 89216, 90112, 95744, 104960, 111520, 112640, 115456, 119680, 122672, 139264, 144320, 153340, 163840, 167936, 174080, 178432, 180224, 191488, 209920, 223040, 225280, 230912, 239360, 245344, 278528, 288640, 306680, 335872, 348160, 356864, 360448, 382976, 419840, 446080, 450560, 461824, 478720, 490688, 557056, 577280, 613360, 671744, 696320, 713728, 765952, 839680, 892160, 901120, 923648, 957440, 981376, 1154560, 1226720, 1343488, 1392640, 1427456, 1531904, 1679360, 1784320, 1802240, 1847296, 1914880, 1962752, 2309120, 2453440, 2785280, 2854912, 3063808, 3358720, 3568640, 3694592, 3829760, 3925504, 4618240, 4906880, 5709824, 6127616, 6717440, 7137280, 7389184, 7659520, 7851008, 9236480, 9813760, 11419648, 14274560, 14778368, 15319040, 15702016, 18472960, 19627520, 22839296, 28549120, 30638080, 31404032, 36945920, 39255040, 57098240, 62808064, 73891840, 78510080, 114196480, 125616128, 157020160, 251232256, 314040320, 628080640, 1256161280]

約数ペア:

[(1, 1256161280), (2, 628080640), (4, 314040320), (5, 251232256), (8, 157020160), (10, 125616128), (11, 114196480), (16, 78510080), (17, 73891840), (20, 62808064), (22, 57098240), (32, 39255040), (34, 36945920), (40, 31404032), (41, 30638080), (44, 28549120), (55, 22839296), (64, 19627520), (68, 18472960), (80, 15702016), (82, 15319040), (85, 14778368), (88, 14274560), (110, 11419648), (128, 9813760), (136, 9236480), (160, 7851008), (164, 7659520), (170, 7389184), (176, 7137280), (187, 6717440), (205, 6127616), (220, 5709824), (256, 4906880), (272, 4618240), (320, 3925504), (328, 3829760), (340, 3694592), (352, 3568640), (374, 3358720), (410, 3063808), (440, 2854912), (451, 2785280), (512, 2453440), (544, 2309120), (640, 1962752), (656, 1914880), (680, 1847296), (697, 1802240), (704, 1784320), (748, 1679360), (820, 1531904), (880, 1427456), (902, 1392640), (935, 1343488), (1024, 1226720), (1088, 1154560), (1280, 981376), (1312, 957440), (1360, 923648), (1394, 901120), (1408, 892160), (1496, 839680), (1640, 765952), (1760, 713728), (1804, 696320), (1870, 671744), (2048, 613360), (2176, 577280), (2255, 557056), (2560, 490688), (2624, 478720), (2720, 461824), (2788, 450560), (2816, 446080), (2992, 419840), (3280, 382976), (3485, 360448), (3520, 356864), (3608, 348160), (3740, 335872), (4096, 306680), (4352, 288640), (4510, 278528), (5120, 245344), (5248, 239360), (5440, 230912), (5576, 225280), (5632, 223040), (5984, 209920), (6560, 191488), (6970, 180224), (7040, 178432), (7216, 174080), (7480, 167936), (7667, 163840), (8192, 153340), (8704, 144320), (9020, 139264), (10240, 122672), (10496, 119680), (10880, 115456), (11152, 112640), (11264, 111520), (11968, 104960), (13120, 95744), (13940, 90112), (14080, 89216), (14432, 87040), (14960, 83968), (15334, 81920), (16384, 76670), (17408, 72160), (18040, 69632), (20480, 61336), (20992, 59840), (21760, 57728), (22304, 56320), (22528, 55760), (23936, 52480), (26240, 47872), (27880, 45056), (28160, 44608), (28864, 43520), (29920, 41984), (30668, 40960), (32768, 38335), (34816, 36080)]