257983920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1544

約数の個数: 160

約数和(自身を含む): 899942400

約数和(自身を除く): 641958480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 108, 120, 135, 144, 166, 180, 216, 240, 249, 270, 332, 360, 415, 432, 498, 540, 664, 720, 747, 830, 996, 1080, 1245, 1328, 1439, 1494, 1660, 1992, 2160, 2241, 2490, 2878, 2988, 3320, 3735, 3984, 4317, 4482, 4980, 5756, 5976, 6640, 7195, 7470, 8634, 8964, 9960, 11205, 11512, 11952, 12951, 14390, 14940, 17268, 17928, 19920, 21585, 22410, 23024, 25902, 28780, 29880, 34536, 35856, 38853, 43170, 44820, 51804, 57560, 59760, 64755, 69072, 77706, 86340, 89640, 103608, 115120, 119437, 129510, 155412, 172680, 179280, 194265, 207216, 238874, 259020, 310824, 345360, 358311, 388530, 477748, 518040, 597185, 621648, 716622, 777060, 955496, 1036080, 1074933, 1194370, 1433244, 1554120, 1791555, 1910992, 2149866, 2388740, 2866488, 3108240, 3224799, 3583110, 4299732, 4777480, 5374665, 5732976, 6449598, 7166220, 8599464, 9554960, 10749330, 12899196, 14332440, 16123995, 17198928, 21498660, 25798392, 28664880, 32247990, 42997320, 51596784, 64495980, 85994640, 128991960, 257983920]

約数ペア:

[(1, 257983920), (2, 128991960), (3, 85994640), (4, 64495980), (5, 51596784), (6, 42997320), (8, 32247990), (9, 28664880), (10, 25798392), (12, 21498660), (15, 17198928), (16, 16123995), (18, 14332440), (20, 12899196), (24, 10749330), (27, 9554960), (30, 8599464), (36, 7166220), (40, 6449598), (45, 5732976), (48, 5374665), (54, 4777480), (60, 4299732), (72, 3583110), (80, 3224799), (83, 3108240), (90, 2866488), (108, 2388740), (120, 2149866), (135, 1910992), (144, 1791555), (166, 1554120), (180, 1433244), (216, 1194370), (240, 1074933), (249, 1036080), (270, 955496), (332, 777060), (360, 716622), (415, 621648), (432, 597185), (498, 518040), (540, 477748), (664, 388530), (720, 358311), (747, 345360), (830, 310824), (996, 259020), (1080, 238874), (1245, 207216), (1328, 194265), (1439, 179280), (1494, 172680), (1660, 155412), (1992, 129510), (2160, 119437), (2241, 115120), (2490, 103608), (2878, 89640), (2988, 86340), (3320, 77706), (3735, 69072), (3984, 64755), (4317, 59760), (4482, 57560), (4980, 51804), (5756, 44820), (5976, 43170), (6640, 38853), (7195, 35856), (7470, 34536), (8634, 29880), (8964, 28780), (9960, 25902), (11205, 23024), (11512, 22410), (11952, 21585), (12951, 19920), (14390, 17928), (14940, 17268)]