256921776

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{77573}}^1$

素因数の和:77610

約数の個数: 60

約数和(自身を含む): 750295728

約数和(自身を除く): 493373952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 77573, 155146, 232719, 310292, 465438, 620584, 698157, 930876, 1241168, 1396314, 1784179, 1861752, 2792628, 3568358, 3723504, 5352537, 5585256, 7136716, 10705074, 11170512, 14273432, 16057611, 21410148, 28546864, 32115222, 42820296, 64230444, 85640592, 128460888, 256921776]

約数ペア:

[(1, 256921776), (2, 128460888), (3, 85640592), (4, 64230444), (6, 42820296), (8, 32115222), (9, 28546864), (12, 21410148), (16, 16057611), (18, 14273432), (23, 11170512), (24, 10705074), (36, 7136716), (46, 5585256), (48, 5352537), (69, 3723504), (72, 3568358), (92, 2792628), (138, 1861752), (144, 1784179), (184, 1396314), (207, 1241168), (276, 930876), (368, 698157), (414, 620584), (552, 465438), (828, 310292), (1104, 232719), (1656, 155146), (3312, 77573)]