27960240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 320

約数和(自身を含む): 115706880

約数和(自身を除く): 87746640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 66, 68, 70, 77, 80, 84, 85, 88, 89, 102, 105, 110, 112, 119, 120, 132, 136, 140, 154, 165, 168, 170, 176, 178, 187, 204, 210, 220, 231, 238, 240, 255, 264, 267, 272, 280, 308, 330, 336, 340, 356, 357, 374, 385, 408, 420, 440, 445, 462, 476, 510, 528, 534, 560, 561, 595, 616, 623, 660, 680, 712, 714, 748, 770, 816, 840, 880, 890, 924, 935, 952, 979, 1020, 1068, 1122, 1155, 1190, 1232, 1246, 1309, 1320, 1335, 1360, 1424, 1428, 1496, 1513, 1540, 1680, 1780, 1785, 1848, 1869, 1870, 1904, 1958, 2040, 2136, 2244, 2310, 2380, 2492, 2618, 2640, 2670, 2805, 2856, 2937, 2992, 3026, 3080, 3115, 3560, 3570, 3696, 3738, 3740, 3916, 3927, 4080, 4272, 4488, 4539, 4620, 4760, 4895, 4984, 5236, 5340, 5610, 5712, 5874, 6052, 6160, 6230, 6545, 6853, 7120, 7140, 7476, 7480, 7565, 7832, 7854, 8976, 9078, 9240, 9345, 9520, 9790, 9968, 10472, 10591, 10680, 11220, 11748, 12104, 12460, 13090, 13706, 14280, 14685, 14952, 14960, 15130, 15664, 15708, 16643, 18156, 18480, 18690, 19580, 19635, 20559, 20944, 21182, 21360, 22440, 22695, 23496, 24208, 24920, 26180, 27412, 28560, 29370, 29904, 30260, 31416, 31773, 33286, 34265, 36312, 37380, 39160, 39270, 41118, 42364, 44880, 45390, 46992, 49840, 49929, 52360, 52955, 54824, 58740, 60520, 62832, 63546, 66572, 68530, 72624, 74760, 78320, 78540, 82236, 83215, 84728, 90780, 99858, 102795, 104720, 105910, 109648, 116501, 117480, 121040, 127092, 133144, 137060, 149520, 157080, 158865, 164472, 166430, 169456, 181560, 199716, 205590, 211820, 233002, 234960, 249645, 254184, 266288, 274120, 314160, 317730, 328944, 332860, 349503, 363120, 399432, 411180, 423640, 466004, 499290, 508368, 548240, 582505, 635460, 665720, 699006, 798864, 822360, 847280, 932008, 998580, 1165010, 1270920, 1331440, 1398012, 1644720, 1747515, 1864016, 1997160, 2330020, 2541840, 2796024, 3495030, 3994320, 4660040, 5592048, 6990060, 9320080, 13980120, 27960240]

約数ペア:

[(1, 27960240), (2, 13980120), (3, 9320080), (4, 6990060), (5, 5592048), (6, 4660040), (7, 3994320), (8, 3495030), (10, 2796024), (11, 2541840), (12, 2330020), (14, 1997160), (15, 1864016), (16, 1747515), (17, 1644720), (20, 1398012), (21, 1331440), (22, 1270920), (24, 1165010), (28, 998580), (30, 932008), (33, 847280), (34, 822360), (35, 798864), (40, 699006), (42, 665720), (44, 635460), (48, 582505), (51, 548240), (55, 508368), (56, 499290), (60, 466004), (66, 423640), (68, 411180), (70, 399432), (77, 363120), (80, 349503), (84, 332860), (85, 328944), (88, 317730), (89, 314160), (102, 274120), (105, 266288), (110, 254184), (112, 249645), (119, 234960), (120, 233002), (132, 211820), (136, 205590), (140, 199716), (154, 181560), (165, 169456), (168, 166430), (170, 164472), (176, 158865), (178, 157080), (187, 149520), (204, 137060), (210, 133144), (220, 127092), (231, 121040), (238, 117480), (240, 116501), (255, 109648), (264, 105910), (267, 104720), (272, 102795), (280, 99858), (308, 90780), (330, 84728), (336, 83215), (340, 82236), (356, 78540), (357, 78320), (374, 74760), (385, 72624), (408, 68530), (420, 66572), (440, 63546), (445, 62832), (462, 60520), (476, 58740), (510, 54824), (528, 52955), (534, 52360), (560, 49929), (561, 49840), (595, 46992), (616, 45390), (623, 44880), (660, 42364), (680, 41118), (712, 39270), (714, 39160), (748, 37380), (770, 36312), (816, 34265), (840, 33286), (880, 31773), (890, 31416), (924, 30260), (935, 29904), (952, 29370), (979, 28560), (1020, 27412), (1068, 26180), (1122, 24920), (1155, 24208), (1190, 23496), (1232, 22695), (1246, 22440), (1309, 21360), (1320, 21182), (1335, 20944), (1360, 20559), (1424, 19635), (1428, 19580), (1496, 18690), (1513, 18480), (1540, 18156), (1680, 16643), (1780, 15708), (1785, 15664), (1848, 15130), (1869, 14960), (1870, 14952), (1904, 14685), (1958, 14280), (2040, 13706), (2136, 13090), (2244, 12460), (2310, 12104), (2380, 11748), (2492, 11220), (2618, 10680), (2640, 10591), (2670, 10472), (2805, 9968), (2856, 9790), (2937, 9520), (2992, 9345), (3026, 9240), (3080, 9078), (3115, 8976), (3560, 7854), (3570, 7832), (3696, 7565), (3738, 7480), (3740, 7476), (3916, 7140), (3927, 7120), (4080, 6853), (4272, 6545), (4488, 6230), (4539, 6160), (4620, 6052), (4760, 5874), (4895, 5712), (4984, 5610), (5236, 5340)]