256660488

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{6287}}^1$

素因数の和:6318

約数の個数: 112

約数和(自身を含む): 824734080

約数和(自身を除く): 568073592

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, 2268, 2916, 3402, 4536, 5103, 5832, 6287, 6804, 10206, 12574, 13608, 18861, 20412, 25148, 37722, 40824, 44009, 50296, 56583, 75444, 88018, 113166, 132027, 150888, 169749, 176036, 226332, 264054, 339498, 352072, 396081, 452664, 509247, 528108, 678996, 792162, 1018494, 1056216, 1188243, 1357992, 1527741, 1584324, 2036988, 2376486, 3055482, 3168648, 3564729, 4073976, 4583223, 4752972, 6110964, 7129458, 9166446, 9505944, 10694187, 12221928, 14258916, 18332892, 21388374, 28517832, 32082561, 36665784, 42776748, 64165122, 85553496, 128330244, 256660488]

約数ペア:

[(1, 256660488), (2, 128330244), (3, 85553496), (4, 64165122), (6, 42776748), (7, 36665784), (8, 32082561), (9, 28517832), (12, 21388374), (14, 18332892), (18, 14258916), (21, 12221928), (24, 10694187), (27, 9505944), (28, 9166446), (36, 7129458), (42, 6110964), (54, 4752972), (56, 4583223), (63, 4073976), (72, 3564729), (81, 3168648), (84, 3055482), (108, 2376486), (126, 2036988), (162, 1584324), (168, 1527741), (189, 1357992), (216, 1188243), (243, 1056216), (252, 1018494), (324, 792162), (378, 678996), (486, 528108), (504, 509247), (567, 452664), (648, 396081), (729, 352072), (756, 339498), (972, 264054), (1134, 226332), (1458, 176036), (1512, 169749), (1701, 150888), (1944, 132027), (2268, 113166), (2916, 88018), (3402, 75444), (4536, 56583), (5103, 50296), (5832, 44009), (6287, 40824), (6804, 37722), (10206, 25148), (12574, 20412), (13608, 18861)]