256510590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{827}}^1$

素因数の和:1062

約数の個数: 96

約数和(自身を含む): 720399744

約数和(自身を除く): 463889154

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 211, 245, 294, 422, 490, 633, 735, 827, 1055, 1266, 1470, 1477, 1654, 2110, 2481, 2954, 3165, 4135, 4431, 4962, 5789, 6330, 7385, 8270, 8862, 10339, 11578, 12405, 14770, 17367, 20678, 22155, 24810, 28945, 31017, 34734, 40523, 44310, 51695, 57890, 62034, 81046, 86835, 103390, 121569, 155085, 173670, 174497, 202615, 243138, 310170, 348994, 405230, 523491, 607845, 872485, 1046982, 1215690, 1221479, 1744970, 2442958, 2617455, 3664437, 5234910, 6107395, 7328874, 8550353, 12214790, 17100706, 18322185, 25651059, 36644370, 42751765, 51302118, 85503530, 128255295, 256510590]

約数ペア:

[(1, 256510590), (2, 128255295), (3, 85503530), (5, 51302118), (6, 42751765), (7, 36644370), (10, 25651059), (14, 18322185), (15, 17100706), (21, 12214790), (30, 8550353), (35, 7328874), (42, 6107395), (49, 5234910), (70, 3664437), (98, 2617455), (105, 2442958), (147, 1744970), (210, 1221479), (211, 1215690), (245, 1046982), (294, 872485), (422, 607845), (490, 523491), (633, 405230), (735, 348994), (827, 310170), (1055, 243138), (1266, 202615), (1470, 174497), (1477, 173670), (1654, 155085), (2110, 121569), (2481, 103390), (2954, 86835), (3165, 81046), (4135, 62034), (4431, 57890), (4962, 51695), (5789, 44310), (6330, 40523), (7385, 34734), (8270, 31017), (8862, 28945), (10339, 24810), (11578, 22155), (12405, 20678), (14770, 17367)]