1282805940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1644623}}^1$

素因数の和:1644648

約数の個数: 48

約数和(自身を含む): 3868155648

約数和(自身を除く): 2585349708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1644623, 3289246, 4933869, 6578492, 8223115, 9867738, 16446230, 19735476, 21380099, 24669345, 32892460, 42760198, 49338690, 64140297, 85520396, 98677380, 106900495, 128280594, 213800990, 256561188, 320701485, 427601980, 641402970, 1282805940]

約数ペア:

[(1, 1282805940), (2, 641402970), (3, 427601980), (4, 320701485), (5, 256561188), (6, 213800990), (10, 128280594), (12, 106900495), (13, 98677380), (15, 85520396), (20, 64140297), (26, 49338690), (30, 42760198), (39, 32892460), (52, 24669345), (60, 21380099), (65, 19735476), (78, 16446230), (130, 9867738), (156, 8223115), (195, 6578492), (260, 4933869), (390, 3289246), (780, 1644623)]