820321008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42407}}^1$

素因数の和:42462

約数の個数: 80

約数和(自身を含む): 2355849216

約数和(自身を除く): 1535528208

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, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 42407, 84814, 127221, 169628, 254442, 339256, 508884, 551291, 678512, 1017768, 1102582, 1314617, 1653873, 2035536, 2205164, 2629234, 3307746, 3943851, 4410328, 5258468, 6615492, 7887702, 8820656, 10516936, 13230984, 15775404, 17090021, 21033872, 26461968, 31550808, 34180042, 51270063, 63101616, 68360084, 102540126, 136720168, 205080252, 273440336, 410160504, 820321008]

約数ペア:

[(1, 820321008), (2, 410160504), (3, 273440336), (4, 205080252), (6, 136720168), (8, 102540126), (12, 68360084), (13, 63101616), (16, 51270063), (24, 34180042), (26, 31550808), (31, 26461968), (39, 21033872), (48, 17090021), (52, 15775404), (62, 13230984), (78, 10516936), (93, 8820656), (104, 7887702), (124, 6615492), (156, 5258468), (186, 4410328), (208, 3943851), (248, 3307746), (312, 2629234), (372, 2205164), (403, 2035536), (496, 1653873), (624, 1314617), (744, 1102582), (806, 1017768), (1209, 678512), (1488, 551291), (1612, 508884), (2418, 339256), (3224, 254442), (4836, 169628), (6448, 127221), (9672, 84814), (19344, 42407)]