2640841008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{631}}^1$

素因数の和:1027

約数の個数: 160

約数和(自身を含む): 7767836160

約数和(自身を除く): 5126995152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 353, 456, 494, 624, 631, 706, 741, 912, 988, 1059, 1262, 1412, 1482, 1893, 1976, 2118, 2524, 2824, 2964, 3786, 3952, 4236, 4589, 5048, 5648, 5928, 6707, 7572, 8203, 8472, 9178, 10096, 11856, 11989, 13414, 13767, 15144, 16406, 16944, 18356, 20121, 23978, 24609, 26828, 27534, 30288, 32812, 35967, 36712, 40242, 47956, 49218, 53656, 55068, 65624, 71934, 73424, 80484, 87191, 95912, 98436, 107312, 110136, 131248, 143868, 155857, 160968, 174382, 191824, 196872, 220272, 222743, 261573, 287736, 311714, 321936, 348764, 393744, 445486, 467571, 523146, 575472, 623428, 668229, 697528, 890972, 935142, 1046292, 1246856, 1336458, 1395056, 1781944, 1870284, 2092584, 2493712, 2672916, 2895659, 3563888, 3740568, 4185168, 4232117, 5345832, 5791318, 7481136, 8464234, 8686977, 10691664, 11582636, 12696351, 16928468, 17373954, 23165272, 25392702, 33856936, 34747908, 46330544, 50785404, 55017521, 67713872, 69495816, 101570808, 110035042, 138991632, 165052563, 203141616, 220070084, 330105126, 440140168, 660210252, 880280336, 1320420504, 2640841008]

約数ペア:

[(1, 2640841008), (2, 1320420504), (3, 880280336), (4, 660210252), (6, 440140168), (8, 330105126), (12, 220070084), (13, 203141616), (16, 165052563), (19, 138991632), (24, 110035042), (26, 101570808), (38, 69495816), (39, 67713872), (48, 55017521), (52, 50785404), (57, 46330544), (76, 34747908), (78, 33856936), (104, 25392702), (114, 23165272), (152, 17373954), (156, 16928468), (208, 12696351), (228, 11582636), (247, 10691664), (304, 8686977), (312, 8464234), (353, 7481136), (456, 5791318), (494, 5345832), (624, 4232117), (631, 4185168), (706, 3740568), (741, 3563888), (912, 2895659), (988, 2672916), (1059, 2493712), (1262, 2092584), (1412, 1870284), (1482, 1781944), (1893, 1395056), (1976, 1336458), (2118, 1246856), (2524, 1046292), (2824, 935142), (2964, 890972), (3786, 697528), (3952, 668229), (4236, 623428), (4589, 575472), (5048, 523146), (5648, 467571), (5928, 445486), (6707, 393744), (7572, 348764), (8203, 321936), (8472, 311714), (9178, 287736), (10096, 261573), (11856, 222743), (11989, 220272), (13414, 196872), (13767, 191824), (15144, 174382), (16406, 160968), (16944, 155857), (18356, 143868), (20121, 131248), (23978, 110136), (24609, 107312), (26828, 98436), (27534, 95912), (30288, 87191), (32812, 80484), (35967, 73424), (36712, 71934), (40242, 65624), (47956, 55068), (49218, 53656)]