2640784848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:913

約数の個数: 160

約数和(自身を含む): 7631511552

約数和(自身を除く): 4990726704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 211, 248, 312, 372, 403, 422, 496, 624, 633, 647, 744, 806, 844, 1209, 1266, 1294, 1488, 1612, 1688, 1941, 2418, 2532, 2588, 2743, 3224, 3376, 3882, 4836, 5064, 5176, 5486, 6448, 6541, 7764, 8229, 8411, 9672, 10128, 10352, 10972, 13082, 15528, 16458, 16822, 19344, 19623, 20057, 21944, 25233, 26164, 31056, 32916, 33644, 39246, 40114, 43888, 50466, 52328, 60171, 65832, 67288, 78492, 80228, 85033, 100932, 104656, 120342, 131664, 134576, 136517, 156984, 160456, 170066, 201864, 240684, 255099, 260741, 273034, 313968, 320912, 340132, 403728, 409551, 481368, 510198, 521482, 546068, 680264, 782223, 819102, 962736, 1020396, 1042964, 1092136, 1360528, 1564446, 1638204, 1774721, 2040792, 2085928, 2184272, 3128892, 3276408, 3549442, 4081584, 4171856, 4232027, 5324163, 6257784, 6552816, 7098884, 8464054, 10648326, 12515568, 12696081, 14197768, 16928108, 21296652, 25392162, 28395536, 33856216, 42593304, 50784324, 55016351, 67712432, 85186608, 101568648, 110032702, 165049053, 203137296, 220065404, 330098106, 440130808, 660196212, 880261616, 1320392424, 2640784848]

約数ペア:

[(1, 2640784848), (2, 1320392424), (3, 880261616), (4, 660196212), (6, 440130808), (8, 330098106), (12, 220065404), (13, 203137296), (16, 165049053), (24, 110032702), (26, 101568648), (31, 85186608), (39, 67712432), (48, 55016351), (52, 50784324), (62, 42593304), (78, 33856216), (93, 28395536), (104, 25392162), (124, 21296652), (156, 16928108), (186, 14197768), (208, 12696081), (211, 12515568), (248, 10648326), (312, 8464054), (372, 7098884), (403, 6552816), (422, 6257784), (496, 5324163), (624, 4232027), (633, 4171856), (647, 4081584), (744, 3549442), (806, 3276408), (844, 3128892), (1209, 2184272), (1266, 2085928), (1294, 2040792), (1488, 1774721), (1612, 1638204), (1688, 1564446), (1941, 1360528), (2418, 1092136), (2532, 1042964), (2588, 1020396), (2743, 962736), (3224, 819102), (3376, 782223), (3882, 680264), (4836, 546068), (5064, 521482), (5176, 510198), (5486, 481368), (6448, 409551), (6541, 403728), (7764, 340132), (8229, 320912), (8411, 313968), (9672, 273034), (10128, 260741), (10352, 255099), (10972, 240684), (13082, 201864), (15528, 170066), (16458, 160456), (16822, 156984), (19344, 136517), (19623, 134576), (20057, 131664), (21944, 120342), (25233, 104656), (26164, 100932), (31056, 85033), (32916, 80228), (33644, 78492), (39246, 67288), (40114, 65832), (43888, 60171), (50466, 52328)]