66356220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157991}}^1$

素因数の和:158010

約数の個数: 48

約数和(自身を含む): 212341248

約数和(自身を除く): 145985028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 157991, 315982, 473973, 631964, 789955, 947946, 1105937, 1579910, 1895892, 2211874, 2369865, 3159820, 3317811, 4423748, 4739730, 5529685, 6635622, 9479460, 11059370, 13271244, 16589055, 22118740, 33178110, 66356220]

約数ペア:

[(1, 66356220), (2, 33178110), (3, 22118740), (4, 16589055), (5, 13271244), (6, 11059370), (7, 9479460), (10, 6635622), (12, 5529685), (14, 4739730), (15, 4423748), (20, 3317811), (21, 3159820), (28, 2369865), (30, 2211874), (35, 1895892), (42, 1579910), (60, 1105937), (70, 947946), (84, 789955), (105, 631964), (140, 473973), (210, 315982), (420, 157991)]