681291264

素因数分解:

$2^9\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3191}}^1$

素因数の和:3351

約数の個数: 80

約数和(自身を含む): 1828632960

約数和(自身を除く): 1147341696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 139, 192, 256, 278, 384, 417, 512, 556, 768, 834, 1112, 1536, 1668, 2224, 3191, 3336, 4448, 6382, 6672, 8896, 9573, 12764, 13344, 17792, 19146, 25528, 26688, 35584, 38292, 51056, 53376, 71168, 76584, 102112, 106752, 153168, 204224, 213504, 306336, 408448, 443549, 612672, 816896, 887098, 1225344, 1330647, 1633792, 1774196, 2450688, 2661294, 3548392, 4901376, 5322588, 7096784, 10645176, 14193568, 21290352, 28387136, 42580704, 56774272, 85161408, 113548544, 170322816, 227097088, 340645632, 681291264]

約数ペア:

[(1, 681291264), (2, 340645632), (3, 227097088), (4, 170322816), (6, 113548544), (8, 85161408), (12, 56774272), (16, 42580704), (24, 28387136), (32, 21290352), (48, 14193568), (64, 10645176), (96, 7096784), (128, 5322588), (139, 4901376), (192, 3548392), (256, 2661294), (278, 2450688), (384, 1774196), (417, 1633792), (512, 1330647), (556, 1225344), (768, 887098), (834, 816896), (1112, 612672), (1536, 443549), (1668, 408448), (2224, 306336), (3191, 213504), (3336, 204224), (4448, 153168), (6382, 106752), (6672, 102112), (8896, 76584), (9573, 71168), (12764, 53376), (13344, 51056), (17792, 38292), (19146, 35584), (25528, 26688)]