15996948975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1734

約数の個数: 144

約数和(自身を含む): 33581184000

約数和(自身を除く): 17584235025

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 83, 105, 175, 225, 237, 249, 315, 395, 415, 525, 553, 581, 711, 747, 1185, 1245, 1549, 1575, 1659, 1743, 1975, 2075, 2765, 2905, 3555, 3735, 4647, 4977, 5229, 5925, 6225, 6557, 7745, 8295, 8715, 10843, 13825, 13941, 14525, 17775, 18675, 19671, 23235, 24885, 26145, 32529, 32785, 38725, 41475, 43575, 45899, 54215, 59013, 69705, 97587, 98355, 116175, 122371, 124425, 128567, 130725, 137697, 162645, 163925, 229495, 271075, 295065, 348525, 367113, 385701, 413091, 487935, 491775, 611855, 642835, 688485, 813225, 856597, 899969, 1101339, 1147475, 1157103, 1475325, 1835565, 1928505, 2065455, 2439675, 2569791, 2699907, 3059275, 3214175, 3442425, 4282985, 4499845, 5506695, 5785515, 7709373, 8099721, 9177825, 9642525, 10156793, 10327275, 12848955, 13499535, 21414925, 22499225, 27533475, 28927575, 30470379, 38546865, 40498605, 50783965, 64244775, 67497675, 71097551, 91411137, 152351895, 192734325, 202493025, 213292653, 253919825, 355487755, 457055685, 639877959, 761759475, 1066463265, 1777438775, 2285278425, 3199389795, 5332316325, 15996948975]

約数ペア:

[(1, 15996948975), (3, 5332316325), (5, 3199389795), (7, 2285278425), (9, 1777438775), (15, 1066463265), (21, 761759475), (25, 639877959), (35, 457055685), (45, 355487755), (63, 253919825), (75, 213292653), (79, 202493025), (83, 192734325), (105, 152351895), (175, 91411137), (225, 71097551), (237, 67497675), (249, 64244775), (315, 50783965), (395, 40498605), (415, 38546865), (525, 30470379), (553, 28927575), (581, 27533475), (711, 22499225), (747, 21414925), (1185, 13499535), (1245, 12848955), (1549, 10327275), (1575, 10156793), (1659, 9642525), (1743, 9177825), (1975, 8099721), (2075, 7709373), (2765, 5785515), (2905, 5506695), (3555, 4499845), (3735, 4282985), (4647, 3442425), (4977, 3214175), (5229, 3059275), (5925, 2699907), (6225, 2569791), (6557, 2439675), (7745, 2065455), (8295, 1928505), (8715, 1835565), (10843, 1475325), (13825, 1157103), (13941, 1147475), (14525, 1101339), (17775, 899969), (18675, 856597), (19671, 813225), (23235, 688485), (24885, 642835), (26145, 611855), (32529, 491775), (32785, 487935), (38725, 413091), (41475, 385701), (43575, 367113), (45899, 348525), (54215, 295065), (59013, 271075), (69705, 229495), (97587, 163925), (98355, 162645), (116175, 137697), (122371, 130725), (124425, 128567)]