1990047528

素因数分解:

$2^3\times 3^7\times 7^1\times {\mathrm{16249}}^1$

素因数の和:16283

約数の個数: 128

約数和(自身を含む): 6396000000

約数和(自身を除く): 4405952472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 729, 756, 972, 1134, 1458, 1512, 1701, 1944, 2187, 2268, 2916, 3402, 4374, 4536, 5103, 5832, 6804, 8748, 10206, 13608, 15309, 16249, 17496, 20412, 30618, 32498, 40824, 48747, 61236, 64996, 97494, 113743, 122472, 129992, 146241, 194988, 227486, 292482, 341229, 389976, 438723, 454972, 584964, 682458, 877446, 909944, 1023687, 1169928, 1316169, 1364916, 1754892, 2047374, 2632338, 2729832, 3071061, 3509784, 3948507, 4094748, 5264676, 6142122, 7897014, 8189496, 9213183, 10529352, 11845521, 12284244, 15794028, 18426366, 23691042, 24568488, 27639549, 31588056, 35536563, 36852732, 47382084, 55279098, 71073126, 73705464, 82918647, 94764168, 110558196, 142146252, 165837294, 221116392, 248755941, 284292504, 331674588, 497511882, 663349176, 995023764, 1990047528]

約数ペア:

[(1, 1990047528), (2, 995023764), (3, 663349176), (4, 497511882), (6, 331674588), (7, 284292504), (8, 248755941), (9, 221116392), (12, 165837294), (14, 142146252), (18, 110558196), (21, 94764168), (24, 82918647), (27, 73705464), (28, 71073126), (36, 55279098), (42, 47382084), (54, 36852732), (56, 35536563), (63, 31588056), (72, 27639549), (81, 24568488), (84, 23691042), (108, 18426366), (126, 15794028), (162, 12284244), (168, 11845521), (189, 10529352), (216, 9213183), (243, 8189496), (252, 7897014), (324, 6142122), (378, 5264676), (486, 4094748), (504, 3948507), (567, 3509784), (648, 3071061), (729, 2729832), (756, 2632338), (972, 2047374), (1134, 1754892), (1458, 1364916), (1512, 1316169), (1701, 1169928), (1944, 1023687), (2187, 909944), (2268, 877446), (2916, 682458), (3402, 584964), (4374, 454972), (4536, 438723), (5103, 389976), (5832, 341229), (6804, 292482), (8748, 227486), (10206, 194988), (13608, 146241), (15309, 129992), (16249, 122472), (17496, 113743), (20412, 97494), (30618, 64996), (32498, 61236), (40824, 48747)]