15921242475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{761}}^1$

素因数の和:1121

約数の個数: 96

約数和(自身を含む): 28471124160

約数和(自身を除く): 12549881685

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 183, 255, 269, 305, 425, 761, 807, 915, 1037, 1275, 1345, 1525, 2283, 3111, 3805, 4035, 4573, 4575, 5185, 6725, 11415, 12937, 13719, 15555, 16409, 19025, 20175, 22865, 25925, 38811, 46421, 49227, 57075, 64685, 68595, 77775, 82045, 114325, 139263, 194055, 204709, 232105, 246135, 278953, 323425, 342975, 410225, 614127, 696315, 789157, 836859, 970275, 1023545, 1160525, 1230675, 1394765, 2367471, 3070635, 3480053, 3481575, 3945785, 4184295, 5117725, 6973825, 10440159, 11837355, 12487249, 15353175, 17400265, 19728925, 20921475, 37461747, 52200795, 59186775, 62436245, 87001325, 187308735, 212283233, 261003975, 312181225, 636849699, 936543675, 1061416165, 3184248495, 5307080825, 15921242475]

約数ペア:

[(1, 15921242475), (3, 5307080825), (5, 3184248495), (15, 1061416165), (17, 936543675), (25, 636849699), (51, 312181225), (61, 261003975), (75, 212283233), (85, 187308735), (183, 87001325), (255, 62436245), (269, 59186775), (305, 52200795), (425, 37461747), (761, 20921475), (807, 19728925), (915, 17400265), (1037, 15353175), (1275, 12487249), (1345, 11837355), (1525, 10440159), (2283, 6973825), (3111, 5117725), (3805, 4184295), (4035, 3945785), (4573, 3481575), (4575, 3480053), (5185, 3070635), (6725, 2367471), (11415, 1394765), (12937, 1230675), (13719, 1160525), (15555, 1023545), (16409, 970275), (19025, 836859), (20175, 789157), (22865, 696315), (25925, 614127), (38811, 410225), (46421, 342975), (49227, 323425), (57075, 278953), (64685, 246135), (68595, 232105), (77775, 204709), (82045, 194055), (114325, 139263)]