15917156920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{45587}}^1$

素因数の和:45677

約数の個数: 128

約数和(自身を含む): 43326835200

約数和(自身を除く): 27409678280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 43, 56, 58, 70, 86, 116, 140, 145, 172, 203, 215, 232, 280, 290, 301, 344, 406, 430, 580, 602, 812, 860, 1015, 1160, 1204, 1247, 1505, 1624, 1720, 2030, 2408, 2494, 3010, 4060, 4988, 6020, 6235, 8120, 8729, 9976, 12040, 12470, 17458, 24940, 34916, 43645, 45587, 49880, 69832, 87290, 91174, 174580, 182348, 227935, 319109, 349160, 364696, 455870, 638218, 911740, 1276436, 1322023, 1595545, 1823480, 1960241, 2552872, 2644046, 3191090, 3920482, 5288092, 6382180, 6610115, 7840964, 9254161, 9801205, 10576184, 12764360, 13220230, 13721687, 15681928, 18508322, 19602410, 26440460, 27443374, 37016644, 39204820, 46270805, 52880920, 54886748, 56846989, 68608435, 74033288, 78409640, 92541610, 109773496, 113693978, 137216870, 185083220, 227387956, 274433740, 284234945, 370166440, 397928923, 454775912, 548867480, 568469890, 795857846, 1136939780, 1591715692, 1989644615, 2273879560, 3183431384, 3979289230, 7958578460, 15917156920]

約数ペア:

[(1, 15917156920), (2, 7958578460), (4, 3979289230), (5, 3183431384), (7, 2273879560), (8, 1989644615), (10, 1591715692), (14, 1136939780), (20, 795857846), (28, 568469890), (29, 548867480), (35, 454775912), (40, 397928923), (43, 370166440), (56, 284234945), (58, 274433740), (70, 227387956), (86, 185083220), (116, 137216870), (140, 113693978), (145, 109773496), (172, 92541610), (203, 78409640), (215, 74033288), (232, 68608435), (280, 56846989), (290, 54886748), (301, 52880920), (344, 46270805), (406, 39204820), (430, 37016644), (580, 27443374), (602, 26440460), (812, 19602410), (860, 18508322), (1015, 15681928), (1160, 13721687), (1204, 13220230), (1247, 12764360), (1505, 10576184), (1624, 9801205), (1720, 9254161), (2030, 7840964), (2408, 6610115), (2494, 6382180), (3010, 5288092), (4060, 3920482), (4988, 3191090), (6020, 2644046), (6235, 2552872), (8120, 1960241), (8729, 1823480), (9976, 1595545), (12040, 1322023), (12470, 1276436), (17458, 911740), (24940, 638218), (34916, 455870), (43645, 364696), (45587, 349160), (49880, 319109), (69832, 227935), (87290, 182348), (91174, 174580)]