65474920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1187}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 169361280

約数和(自身を除く): 103886360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1187, 1379, 1576, 1970, 2374, 2758, 3940, 4748, 5516, 5935, 6895, 7880, 8309, 9496, 11032, 11870, 13790, 16618, 23740, 27580, 33236, 41545, 47480, 55160, 66472, 83090, 166180, 233839, 332360, 467678, 935356, 1169195, 1636873, 1870712, 2338390, 3273746, 4676780, 6547492, 8184365, 9353560, 13094984, 16368730, 32737460, 65474920]

約数ペア:

[(1, 65474920), (2, 32737460), (4, 16368730), (5, 13094984), (7, 9353560), (8, 8184365), (10, 6547492), (14, 4676780), (20, 3273746), (28, 2338390), (35, 1870712), (40, 1636873), (56, 1169195), (70, 935356), (140, 467678), (197, 332360), (280, 233839), (394, 166180), (788, 83090), (985, 66472), (1187, 55160), (1379, 47480), (1576, 41545), (1970, 33236), (2374, 27580), (2758, 23740), (3940, 16618), (4748, 13790), (5516, 11870), (5935, 11032), (6895, 9496), (7880, 8309)]