18570240

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 264

約数和(自身を含む): 71530368

約数和(自身を除く): 52960128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 60, 62, 64, 65, 72, 78, 80, 90, 93, 96, 104, 117, 120, 124, 128, 130, 144, 155, 156, 160, 180, 186, 192, 195, 208, 234, 240, 248, 256, 260, 279, 288, 310, 312, 320, 360, 372, 384, 390, 403, 416, 465, 468, 480, 496, 512, 520, 558, 576, 585, 620, 624, 640, 720, 744, 768, 780, 806, 832, 930, 936, 960, 992, 1024, 1040, 1116, 1152, 1170, 1209, 1240, 1248, 1280, 1395, 1440, 1488, 1536, 1560, 1612, 1664, 1860, 1872, 1920, 1984, 2015, 2080, 2232, 2304, 2340, 2418, 2480, 2496, 2560, 2790, 2880, 2976, 3072, 3120, 3224, 3328, 3627, 3720, 3744, 3840, 3968, 4030, 4160, 4464, 4608, 4680, 4836, 4960, 4992, 5120, 5580, 5760, 5952, 6045, 6240, 6448, 6656, 7254, 7440, 7488, 7680, 7936, 8060, 8320, 8928, 9216, 9360, 9672, 9920, 9984, 11160, 11520, 11904, 12090, 12480, 12896, 13312, 14508, 14880, 14976, 15360, 15872, 16120, 16640, 17856, 18135, 18720, 19344, 19840, 19968, 22320, 23040, 23808, 24180, 24960, 25792, 29016, 29760, 29952, 31744, 32240, 33280, 35712, 36270, 37440, 38688, 39680, 39936, 44640, 46080, 47616, 48360, 49920, 51584, 58032, 59520, 59904, 64480, 66560, 71424, 72540, 74880, 77376, 79360, 89280, 95232, 96720, 99840, 103168, 116064, 119040, 119808, 128960, 142848, 145080, 149760, 154752, 158720, 178560, 193440, 199680, 206336, 232128, 238080, 257920, 285696, 290160, 299520, 309504, 357120, 386880, 412672, 464256, 476160, 515840, 580320, 599040, 619008, 714240, 773760, 928512, 1031680, 1160640, 1238016, 1428480, 1547520, 1857024, 2063360, 2321280, 3095040, 3714048, 4642560, 6190080, 9285120, 18570240]

約数ペア:

[(1, 18570240), (2, 9285120), (3, 6190080), (4, 4642560), (5, 3714048), (6, 3095040), (8, 2321280), (9, 2063360), (10, 1857024), (12, 1547520), (13, 1428480), (15, 1238016), (16, 1160640), (18, 1031680), (20, 928512), (24, 773760), (26, 714240), (30, 619008), (31, 599040), (32, 580320), (36, 515840), (39, 476160), (40, 464256), (45, 412672), (48, 386880), (52, 357120), (60, 309504), (62, 299520), (64, 290160), (65, 285696), (72, 257920), (78, 238080), (80, 232128), (90, 206336), (93, 199680), (96, 193440), (104, 178560), (117, 158720), (120, 154752), (124, 149760), (128, 145080), (130, 142848), (144, 128960), (155, 119808), (156, 119040), (160, 116064), (180, 103168), (186, 99840), (192, 96720), (195, 95232), (208, 89280), (234, 79360), (240, 77376), (248, 74880), (256, 72540), (260, 71424), (279, 66560), (288, 64480), (310, 59904), (312, 59520), (320, 58032), (360, 51584), (372, 49920), (384, 48360), (390, 47616), (403, 46080), (416, 44640), (465, 39936), (468, 39680), (480, 38688), (496, 37440), (512, 36270), (520, 35712), (558, 33280), (576, 32240), (585, 31744), (620, 29952), (624, 29760), (640, 29016), (720, 25792), (744, 24960), (768, 24180), (780, 23808), (806, 23040), (832, 22320), (930, 19968), (936, 19840), (960, 19344), (992, 18720), (1024, 18135), (1040, 17856), (1116, 16640), (1152, 16120), (1170, 15872), (1209, 15360), (1240, 14976), (1248, 14880), (1280, 14508), (1395, 13312), (1440, 12896), (1488, 12480), (1536, 12090), (1560, 11904), (1612, 11520), (1664, 11160), (1860, 9984), (1872, 9920), (1920, 9672), (1984, 9360), (2015, 9216), (2080, 8928), (2232, 8320), (2304, 8060), (2340, 7936), (2418, 7680), (2480, 7488), (2496, 7440), (2560, 7254), (2790, 6656), (2880, 6448), (2976, 6240), (3072, 6045), (3120, 5952), (3224, 5760), (3328, 5580), (3627, 5120), (3720, 4992), (3744, 4960), (3840, 4836), (3968, 4680), (4030, 4608), (4160, 4464)]