641257320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15671}}^1$

素因数の和:15727

約数の個数: 128

約数和(自身を含む): 2166497280

約数和(自身を除く): 1525239960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6820, 8184, 10230, 13640, 15671, 20460, 31342, 40920, 47013, 62684, 78355, 94026, 125368, 156710, 172381, 188052, 235065, 313420, 344762, 376104, 470130, 485801, 517143, 626840, 689524, 861905, 940260, 971602, 1034286, 1379048, 1457403, 1723810, 1880520, 1943204, 2068572, 2429005, 2585715, 2914806, 3447620, 3886408, 4137144, 4858010, 5171430, 5343811, 5829612, 6895240, 7287015, 9716020, 10342860, 10687622, 11659224, 14574030, 16031433, 19432040, 20685720, 21375244, 26719055, 29148060, 32062866, 42750488, 53438110, 58296120, 64125732, 80157165, 106876220, 128251464, 160314330, 213752440, 320628660, 641257320]

約数ペア:

[(1, 641257320), (2, 320628660), (3, 213752440), (4, 160314330), (5, 128251464), (6, 106876220), (8, 80157165), (10, 64125732), (11, 58296120), (12, 53438110), (15, 42750488), (20, 32062866), (22, 29148060), (24, 26719055), (30, 21375244), (31, 20685720), (33, 19432040), (40, 16031433), (44, 14574030), (55, 11659224), (60, 10687622), (62, 10342860), (66, 9716020), (88, 7287015), (93, 6895240), (110, 5829612), (120, 5343811), (124, 5171430), (132, 4858010), (155, 4137144), (165, 3886408), (186, 3447620), (220, 2914806), (248, 2585715), (264, 2429005), (310, 2068572), (330, 1943204), (341, 1880520), (372, 1723810), (440, 1457403), (465, 1379048), (620, 1034286), (660, 971602), (682, 940260), (744, 861905), (930, 689524), (1023, 626840), (1240, 517143), (1320, 485801), (1364, 470130), (1705, 376104), (1860, 344762), (2046, 313420), (2728, 235065), (3410, 188052), (3720, 172381), (4092, 156710), (5115, 125368), (6820, 94026), (8184, 78355), (10230, 62684), (13640, 47013), (15671, 40920), (20460, 31342)]