81062520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 256

約数和(自身を含む): 314081280

約数和(自身を除く): 233018760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 264, 280, 283, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 566, 616, 620, 651, 660, 682, 744, 770, 840, 849, 868, 924, 930, 1023, 1085, 1132, 1155, 1240, 1302, 1320, 1364, 1415, 1540, 1698, 1705, 1736, 1848, 1860, 1981, 2046, 2170, 2264, 2310, 2387, 2604, 2728, 2830, 3080, 3113, 3255, 3396, 3410, 3720, 3962, 4092, 4245, 4340, 4620, 4774, 5115, 5208, 5660, 5943, 6226, 6510, 6792, 6820, 7161, 7924, 8184, 8490, 8680, 8773, 9240, 9339, 9548, 9905, 10230, 11320, 11886, 11935, 12452, 13020, 13640, 14322, 15565, 15848, 16980, 17546, 18678, 19096, 19810, 20460, 21791, 23772, 23870, 24904, 26040, 26319, 28644, 29715, 31130, 33960, 35092, 35805, 37356, 39620, 40920, 43582, 43865, 46695, 47544, 47740, 52638, 57288, 59430, 61411, 62260, 65373, 70184, 71610, 74712, 79240, 87164, 87730, 93390, 95480, 96503, 105276, 108955, 118860, 122822, 124520, 130746, 131595, 143220, 174328, 175460, 184233, 186780, 193006, 210552, 217910, 237720, 245644, 261492, 263190, 286440, 289509, 307055, 326865, 350920, 368466, 373560, 386012, 435820, 482515, 491288, 522984, 526380, 579018, 614110, 653730, 675521, 736932, 772024, 871640, 921165, 965030, 1052760, 1158036, 1228220, 1307460, 1351042, 1447545, 1473864, 1842330, 1930060, 2026563, 2316072, 2456440, 2614920, 2702084, 2895090, 3377605, 3684660, 3860120, 4053126, 5404168, 5790180, 6755210, 7369320, 8106252, 10132815, 11580360, 13510420, 16212504, 20265630, 27020840, 40531260, 81062520]

約数ペア:

[(1, 81062520), (2, 40531260), (3, 27020840), (4, 20265630), (5, 16212504), (6, 13510420), (7, 11580360), (8, 10132815), (10, 8106252), (11, 7369320), (12, 6755210), (14, 5790180), (15, 5404168), (20, 4053126), (21, 3860120), (22, 3684660), (24, 3377605), (28, 2895090), (30, 2702084), (31, 2614920), (33, 2456440), (35, 2316072), (40, 2026563), (42, 1930060), (44, 1842330), (55, 1473864), (56, 1447545), (60, 1351042), (62, 1307460), (66, 1228220), (70, 1158036), (77, 1052760), (84, 965030), (88, 921165), (93, 871640), (105, 772024), (110, 736932), (120, 675521), (124, 653730), (132, 614110), (140, 579018), (154, 526380), (155, 522984), (165, 491288), (168, 482515), (186, 435820), (210, 386012), (217, 373560), (220, 368466), (231, 350920), (248, 326865), (264, 307055), (280, 289509), (283, 286440), (308, 263190), (310, 261492), (330, 245644), (341, 237720), (372, 217910), (385, 210552), (420, 193006), (434, 186780), (440, 184233), (462, 175460), (465, 174328), (566, 143220), (616, 131595), (620, 130746), (651, 124520), (660, 122822), (682, 118860), (744, 108955), (770, 105276), (840, 96503), (849, 95480), (868, 93390), (924, 87730), (930, 87164), (1023, 79240), (1085, 74712), (1132, 71610), (1155, 70184), (1240, 65373), (1302, 62260), (1320, 61411), (1364, 59430), (1415, 57288), (1540, 52638), (1698, 47740), (1705, 47544), (1736, 46695), (1848, 43865), (1860, 43582), (1981, 40920), (2046, 39620), (2170, 37356), (2264, 35805), (2310, 35092), (2387, 33960), (2604, 31130), (2728, 29715), (2830, 28644), (3080, 26319), (3113, 26040), (3255, 24904), (3396, 23870), (3410, 23772), (3720, 21791), (3962, 20460), (4092, 19810), (4245, 19096), (4340, 18678), (4620, 17546), (4774, 16980), (5115, 15848), (5208, 15565), (5660, 14322), (5943, 13640), (6226, 13020), (6510, 12452), (6792, 11935), (6820, 11886), (7161, 11320), (7924, 10230), (8184, 9905), (8490, 9548), (8680, 9339), (8773, 9240)]