253971840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 256

約数和(自身を含む): 888330240

約数和(自身を除く): 634358400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 251, 255, 272, 310, 320, 340, 372, 384, 408, 465, 480, 496, 502, 510, 527, 544, 620, 640, 680, 744, 753, 816, 930, 960, 992, 1004, 1020, 1054, 1088, 1240, 1255, 1360, 1488, 1506, 1581, 1632, 1860, 1920, 1984, 2008, 2040, 2108, 2176, 2480, 2510, 2635, 2720, 2976, 3012, 3162, 3264, 3720, 3765, 3968, 4016, 4080, 4216, 4267, 4960, 5020, 5270, 5440, 5952, 6024, 6324, 6528, 7440, 7530, 7781, 7905, 8032, 8160, 8432, 8534, 9920, 10040, 10540, 10880, 11904, 12048, 12648, 12801, 14880, 15060, 15562, 15810, 16064, 16320, 16864, 17068, 19840, 20080, 21080, 21335, 23343, 24096, 25296, 25602, 29760, 30120, 31124, 31620, 32128, 32640, 33728, 34136, 38905, 40160, 42160, 42670, 46686, 48192, 50592, 51204, 59520, 60240, 62248, 63240, 64005, 67456, 68272, 77810, 80320, 84320, 85340, 93372, 96384, 101184, 102408, 116715, 120480, 124496, 126480, 128010, 132277, 136544, 155620, 160640, 168640, 170680, 186744, 202368, 204816, 233430, 240960, 248992, 252960, 256020, 264554, 273088, 311240, 337280, 341360, 373488, 396831, 409632, 466860, 481920, 497984, 505920, 512040, 529108, 546176, 622480, 661385, 682720, 746976, 793662, 819264, 933720, 995968, 1011840, 1024080, 1058216, 1244960, 1322770, 1365440, 1493952, 1587324, 1638528, 1867440, 1984155, 2048160, 2116432, 2489920, 2645540, 2730880, 2987904, 3174648, 3734880, 3968310, 4096320, 4232864, 4979840, 5291080, 6349296, 7469760, 7936620, 8192640, 8465728, 10582160, 12698592, 14939520, 15873240, 16931456, 21164320, 25397184, 31746480, 42328640, 50794368, 63492960, 84657280, 126985920, 253971840]

約数ペア:

[(1, 253971840), (2, 126985920), (3, 84657280), (4, 63492960), (5, 50794368), (6, 42328640), (8, 31746480), (10, 25397184), (12, 21164320), (15, 16931456), (16, 15873240), (17, 14939520), (20, 12698592), (24, 10582160), (30, 8465728), (31, 8192640), (32, 7936620), (34, 7469760), (40, 6349296), (48, 5291080), (51, 4979840), (60, 4232864), (62, 4096320), (64, 3968310), (68, 3734880), (80, 3174648), (85, 2987904), (93, 2730880), (96, 2645540), (102, 2489920), (120, 2116432), (124, 2048160), (128, 1984155), (136, 1867440), (155, 1638528), (160, 1587324), (170, 1493952), (186, 1365440), (192, 1322770), (204, 1244960), (240, 1058216), (248, 1024080), (251, 1011840), (255, 995968), (272, 933720), (310, 819264), (320, 793662), (340, 746976), (372, 682720), (384, 661385), (408, 622480), (465, 546176), (480, 529108), (496, 512040), (502, 505920), (510, 497984), (527, 481920), (544, 466860), (620, 409632), (640, 396831), (680, 373488), (744, 341360), (753, 337280), (816, 311240), (930, 273088), (960, 264554), (992, 256020), (1004, 252960), (1020, 248992), (1054, 240960), (1088, 233430), (1240, 204816), (1255, 202368), (1360, 186744), (1488, 170680), (1506, 168640), (1581, 160640), (1632, 155620), (1860, 136544), (1920, 132277), (1984, 128010), (2008, 126480), (2040, 124496), (2108, 120480), (2176, 116715), (2480, 102408), (2510, 101184), (2635, 96384), (2720, 93372), (2976, 85340), (3012, 84320), (3162, 80320), (3264, 77810), (3720, 68272), (3765, 67456), (3968, 64005), (4016, 63240), (4080, 62248), (4216, 60240), (4267, 59520), (4960, 51204), (5020, 50592), (5270, 48192), (5440, 46686), (5952, 42670), (6024, 42160), (6324, 40160), (6528, 38905), (7440, 34136), (7530, 33728), (7781, 32640), (7905, 32128), (8032, 31620), (8160, 31124), (8432, 30120), (8534, 29760), (9920, 25602), (10040, 25296), (10540, 24096), (10880, 23343), (11904, 21335), (12048, 21080), (12648, 20080), (12801, 19840), (14880, 17068), (15060, 16864), (15562, 16320), (15810, 16064)]