68993440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7069}}^1$

素因数の和:7145

約数の個数: 48

約数和(自身を含む): 165692520

約数和(自身を除く): 96699080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 7069, 9760, 14138, 28276, 35345, 56552, 70690, 113104, 141380, 226208, 282760, 431209, 565520, 862418, 1131040, 1724836, 2156045, 3449672, 4312090, 6899344, 8624180, 13798688, 17248360, 34496720, 68993440]

約数ペア:

[(1, 68993440), (2, 34496720), (4, 17248360), (5, 13798688), (8, 8624180), (10, 6899344), (16, 4312090), (20, 3449672), (32, 2156045), (40, 1724836), (61, 1131040), (80, 862418), (122, 565520), (160, 431209), (244, 282760), (305, 226208), (488, 141380), (610, 113104), (976, 70690), (1220, 56552), (1952, 35345), (2440, 28276), (4880, 14138), (7069, 9760)]