15721151475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1307}}^1$

素因数の和:1729

約数の個数: 96

約数和(自身を含む): 28649594880

約数和(自身を除く): 12928443405

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 367, 437, 475, 575, 1101, 1307, 1311, 1425, 1725, 1835, 2185, 3921, 5505, 6535, 6555, 6973, 8441, 9175, 10925, 19605, 20919, 24833, 25323, 27525, 30061, 32675, 32775, 34865, 42205, 74499, 90183, 98025, 104595, 124165, 126615, 150305, 160379, 174325, 211025, 372495, 450915, 479669, 481137, 522975, 571159, 620825, 633075, 751525, 801895, 1439007, 1713477, 1862475, 2254575, 2398345, 2405685, 2855795, 4009475, 7195035, 8567385, 9113711, 11032387, 11991725, 12028425, 14278975, 27341133, 33097161, 35975175, 42836925, 45568555, 55161935, 136705665, 165485805, 209615353, 227842775, 275809675, 628846059, 683528325, 827429025, 1048076765, 3144230295, 5240383825, 15721151475]

約数ペア:

[(1, 15721151475), (3, 5240383825), (5, 3144230295), (15, 1048076765), (19, 827429025), (23, 683528325), (25, 628846059), (57, 275809675), (69, 227842775), (75, 209615353), (95, 165485805), (115, 136705665), (285, 55161935), (345, 45568555), (367, 42836925), (437, 35975175), (475, 33097161), (575, 27341133), (1101, 14278975), (1307, 12028425), (1311, 11991725), (1425, 11032387), (1725, 9113711), (1835, 8567385), (2185, 7195035), (3921, 4009475), (5505, 2855795), (6535, 2405685), (6555, 2398345), (6973, 2254575), (8441, 1862475), (9175, 1713477), (10925, 1439007), (19605, 801895), (20919, 751525), (24833, 633075), (25323, 620825), (27525, 571159), (30061, 522975), (32675, 481137), (32775, 479669), (34865, 450915), (42205, 372495), (74499, 211025), (90183, 174325), (98025, 160379), (104595, 150305), (124165, 126615)]