61525880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 150141600

約数和(自身を除く): 88615720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 179, 260, 358, 520, 661, 716, 895, 1322, 1432, 1790, 2327, 2644, 3305, 3580, 4654, 5288, 6610, 7160, 8593, 9308, 11635, 13220, 17186, 18616, 23270, 26440, 34372, 42965, 46540, 68744, 85930, 93080, 118319, 171860, 236638, 343720, 473276, 591595, 946552, 1183190, 1538147, 2366380, 3076294, 4732760, 6152588, 7690735, 12305176, 15381470, 30762940, 61525880]

約数ペア:

[(1, 61525880), (2, 30762940), (4, 15381470), (5, 12305176), (8, 7690735), (10, 6152588), (13, 4732760), (20, 3076294), (26, 2366380), (40, 1538147), (52, 1183190), (65, 946552), (104, 591595), (130, 473276), (179, 343720), (260, 236638), (358, 171860), (520, 118319), (661, 93080), (716, 85930), (895, 68744), (1322, 46540), (1432, 42965), (1790, 34372), (2327, 26440), (2644, 23270), (3305, 18616), (3580, 17186), (4654, 13220), (5288, 11635), (6610, 9308), (7160, 8593)]