647041920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1613

約数の個数: 256

約数和(自身を含む): 2434682880

約数和(自身を除く): 1787640960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1553, 1680, 1736, 1860, 1920, 1984, 2170, 2240, 2480, 2604, 2688, 2976, 3106, 3255, 3360, 3472, 3720, 3968, 4340, 4480, 4659, 4960, 5208, 5952, 6212, 6510, 6720, 6944, 7440, 7765, 8680, 9318, 9920, 10416, 10871, 11904, 12424, 13020, 13440, 13888, 14880, 15530, 17360, 18636, 19840, 20832, 21742, 23295, 24848, 26040, 27776, 29760, 31060, 32613, 34720, 37272, 41664, 43484, 46590, 48143, 49696, 52080, 54355, 59520, 62120, 65226, 69440, 74544, 83328, 86968, 93180, 96286, 99392, 104160, 108710, 124240, 130452, 138880, 144429, 149088, 163065, 173936, 186360, 192572, 198784, 208320, 217420, 240715, 248480, 260904, 288858, 298176, 326130, 337001, 347872, 372720, 385144, 416640, 434840, 481430, 496960, 521808, 577716, 596352, 652260, 674002, 695744, 722145, 745440, 770288, 869680, 962860, 993920, 1011003, 1043616, 1155432, 1304520, 1348004, 1391488, 1444290, 1490880, 1540576, 1685005, 1739360, 1925720, 2022006, 2087232, 2310864, 2609040, 2696008, 2888580, 2981760, 3081152, 3370010, 3478720, 3851440, 4044012, 4174464, 4621728, 5055015, 5218080, 5392016, 5777160, 6162304, 6740020, 6957440, 7702880, 8088024, 9243456, 10110030, 10436160, 10784032, 11554320, 13480040, 15405760, 16176048, 18486912, 20220060, 20872320, 21568064, 23108640, 26960080, 30811520, 32352096, 40440120, 43136128, 46217280, 53920160, 64704192, 80880240, 92434560, 107840320, 129408384, 161760480, 215680640, 323520960, 647041920]

約数ペア:

[(1, 647041920), (2, 323520960), (3, 215680640), (4, 161760480), (5, 129408384), (6, 107840320), (7, 92434560), (8, 80880240), (10, 64704192), (12, 53920160), (14, 46217280), (15, 43136128), (16, 40440120), (20, 32352096), (21, 30811520), (24, 26960080), (28, 23108640), (30, 21568064), (31, 20872320), (32, 20220060), (35, 18486912), (40, 16176048), (42, 15405760), (48, 13480040), (56, 11554320), (60, 10784032), (62, 10436160), (64, 10110030), (70, 9243456), (80, 8088024), (84, 7702880), (93, 6957440), (96, 6740020), (105, 6162304), (112, 5777160), (120, 5392016), (124, 5218080), (128, 5055015), (140, 4621728), (155, 4174464), (160, 4044012), (168, 3851440), (186, 3478720), (192, 3370010), (210, 3081152), (217, 2981760), (224, 2888580), (240, 2696008), (248, 2609040), (280, 2310864), (310, 2087232), (320, 2022006), (336, 1925720), (372, 1739360), (384, 1685005), (420, 1540576), (434, 1490880), (448, 1444290), (465, 1391488), (480, 1348004), (496, 1304520), (560, 1155432), (620, 1043616), (640, 1011003), (651, 993920), (672, 962860), (744, 869680), (840, 770288), (868, 745440), (896, 722145), (930, 695744), (960, 674002), (992, 652260), (1085, 596352), (1120, 577716), (1240, 521808), (1302, 496960), (1344, 481430), (1488, 434840), (1553, 416640), (1680, 385144), (1736, 372720), (1860, 347872), (1920, 337001), (1984, 326130), (2170, 298176), (2240, 288858), (2480, 260904), (2604, 248480), (2688, 240715), (2976, 217420), (3106, 208320), (3255, 198784), (3360, 192572), (3472, 186360), (3720, 173936), (3968, 163065), (4340, 149088), (4480, 144429), (4659, 138880), (4960, 130452), (5208, 124240), (5952, 108710), (6212, 104160), (6510, 99392), (6720, 96286), (6944, 93180), (7440, 86968), (7765, 83328), (8680, 74544), (9318, 69440), (9920, 65226), (10416, 62120), (10871, 59520), (11904, 54355), (12424, 52080), (13020, 49696), (13440, 48143), (13888, 46590), (14880, 43484), (15530, 41664), (17360, 37272), (18636, 34720), (19840, 32613), (20832, 31060), (21742, 29760), (23295, 27776), (24848, 26040)]