20178395520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{31751}}^1$

素因数の和:32104

約数の個数: 128

約数和(自身を含む): 64514983680

約数和(自身を除く): 44336588160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 331, 384, 480, 640, 662, 960, 993, 1324, 1655, 1920, 1986, 2648, 3310, 3972, 4965, 5296, 6620, 7944, 9930, 10592, 13240, 15888, 19860, 21184, 26480, 31751, 31776, 39720, 42368, 52960, 63502, 63552, 79440, 95253, 105920, 127004, 127104, 158755, 158880, 190506, 211840, 254008, 317510, 317760, 381012, 476265, 508016, 635020, 635520, 762024, 952530, 1016032, 1270040, 1524048, 1905060, 2032064, 2540080, 3048096, 3810120, 4064128, 5080160, 6096192, 7620240, 10160320, 10509581, 12192384, 15240480, 20320640, 21019162, 30480960, 31528743, 42038324, 52547905, 60961920, 63057486, 84076648, 105095810, 126114972, 157643715, 168153296, 210191620, 252229944, 315287430, 336306592, 420383240, 504459888, 630574860, 672613184, 840766480, 1008919776, 1261149720, 1345226368, 1681532960, 2017839552, 2522299440, 3363065920, 4035679104, 5044598880, 6726131840, 10089197760, 20178395520]

約数ペア:

[(1, 20178395520), (2, 10089197760), (3, 6726131840), (4, 5044598880), (5, 4035679104), (6, 3363065920), (8, 2522299440), (10, 2017839552), (12, 1681532960), (15, 1345226368), (16, 1261149720), (20, 1008919776), (24, 840766480), (30, 672613184), (32, 630574860), (40, 504459888), (48, 420383240), (60, 336306592), (64, 315287430), (80, 252229944), (96, 210191620), (120, 168153296), (128, 157643715), (160, 126114972), (192, 105095810), (240, 84076648), (320, 63057486), (331, 60961920), (384, 52547905), (480, 42038324), (640, 31528743), (662, 30480960), (960, 21019162), (993, 20320640), (1324, 15240480), (1655, 12192384), (1920, 10509581), (1986, 10160320), (2648, 7620240), (3310, 6096192), (3972, 5080160), (4965, 4064128), (5296, 3810120), (6620, 3048096), (7944, 2540080), (9930, 2032064), (10592, 1905060), (13240, 1524048), (15888, 1270040), (19860, 1016032), (21184, 952530), (26480, 762024), (31751, 635520), (31776, 635020), (39720, 508016), (42368, 476265), (52960, 381012), (63502, 317760), (63552, 317510), (79440, 254008), (95253, 211840), (105920, 190506), (127004, 158880), (127104, 158755)]