661445760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11113}}^1$

素因数の和:11166

約数の個数: 128

約数和(自身を含む): 2176565760

約数和(自身を除く): 1515120000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11113, 11904, 14880, 19840, 22226, 29760, 33339, 44452, 55565, 59520, 66678, 88904, 111130, 133356, 166695, 177808, 222260, 266712, 333390, 344503, 355616, 444520, 533424, 666780, 689006, 711232, 889040, 1033509, 1066848, 1333560, 1378012, 1422464, 1722515, 1778080, 2067018, 2133696, 2667120, 2756024, 3445030, 3556160, 4134036, 4267392, 5167545, 5334240, 5512048, 6890060, 7112320, 8268072, 10335090, 10668480, 11024096, 13780120, 16536144, 20670180, 21336960, 22048192, 27560240, 33072288, 41340360, 44096384, 55120480, 66144576, 82680720, 110240960, 132289152, 165361440, 220481920, 330722880, 661445760]

約数ペア:

[(1, 661445760), (2, 330722880), (3, 220481920), (4, 165361440), (5, 132289152), (6, 110240960), (8, 82680720), (10, 66144576), (12, 55120480), (15, 44096384), (16, 41340360), (20, 33072288), (24, 27560240), (30, 22048192), (31, 21336960), (32, 20670180), (40, 16536144), (48, 13780120), (60, 11024096), (62, 10668480), (64, 10335090), (80, 8268072), (93, 7112320), (96, 6890060), (120, 5512048), (124, 5334240), (128, 5167545), (155, 4267392), (160, 4134036), (186, 3556160), (192, 3445030), (240, 2756024), (248, 2667120), (310, 2133696), (320, 2067018), (372, 1778080), (384, 1722515), (465, 1422464), (480, 1378012), (496, 1333560), (620, 1066848), (640, 1033509), (744, 889040), (930, 711232), (960, 689006), (992, 666780), (1240, 533424), (1488, 444520), (1860, 355616), (1920, 344503), (1984, 333390), (2480, 266712), (2976, 222260), (3720, 177808), (3968, 166695), (4960, 133356), (5952, 111130), (7440, 88904), (9920, 66678), (11113, 59520), (11904, 55565), (14880, 44452), (19840, 33339), (22226, 29760)]