248286720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2939}}^1$

素因数の和:2976

約数の個数: 160

約数和(自身を含む): 866194560

約数和(自身を除く): 617907840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 512, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1536, 1760, 1920, 2112, 2560, 2640, 2816, 2939, 3520, 3840, 4224, 5280, 5632, 5878, 7040, 7680, 8448, 8817, 10560, 11756, 14080, 14695, 16896, 17634, 21120, 23512, 28160, 29390, 32329, 35268, 42240, 44085, 47024, 58780, 64658, 70536, 84480, 88170, 94048, 96987, 117560, 129316, 141072, 161645, 176340, 188096, 193974, 235120, 258632, 282144, 323290, 352680, 376192, 387948, 470240, 484935, 517264, 564288, 646580, 705360, 752384, 775896, 940480, 969870, 1034528, 1128576, 1293160, 1410720, 1504768, 1551792, 1880960, 1939740, 2069056, 2257152, 2586320, 2821440, 3103584, 3761920, 3879480, 4138112, 4514304, 5172640, 5642880, 6207168, 7523840, 7758960, 8276224, 10345280, 11285760, 12414336, 15517920, 16552448, 20690560, 22571520, 24828672, 31035840, 41381120, 49657344, 62071680, 82762240, 124143360, 248286720]

約数ペア:

[(1, 248286720), (2, 124143360), (3, 82762240), (4, 62071680), (5, 49657344), (6, 41381120), (8, 31035840), (10, 24828672), (11, 22571520), (12, 20690560), (15, 16552448), (16, 15517920), (20, 12414336), (22, 11285760), (24, 10345280), (30, 8276224), (32, 7758960), (33, 7523840), (40, 6207168), (44, 5642880), (48, 5172640), (55, 4514304), (60, 4138112), (64, 3879480), (66, 3761920), (80, 3103584), (88, 2821440), (96, 2586320), (110, 2257152), (120, 2069056), (128, 1939740), (132, 1880960), (160, 1551792), (165, 1504768), (176, 1410720), (192, 1293160), (220, 1128576), (240, 1034528), (256, 969870), (264, 940480), (320, 775896), (330, 752384), (352, 705360), (384, 646580), (440, 564288), (480, 517264), (512, 484935), (528, 470240), (640, 387948), (660, 376192), (704, 352680), (768, 323290), (880, 282144), (960, 258632), (1056, 235120), (1280, 193974), (1320, 188096), (1408, 176340), (1536, 161645), (1760, 141072), (1920, 129316), (2112, 117560), (2560, 96987), (2640, 94048), (2816, 88170), (2939, 84480), (3520, 70536), (3840, 64658), (4224, 58780), (5280, 47024), (5632, 44085), (5878, 42240), (7040, 35268), (7680, 32329), (8448, 29390), (8817, 28160), (10560, 23512), (11756, 21120), (14080, 17634), (14695, 16896)]