1668533760

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 240

約数和(自身を含む): 5831345520

約数和(自身を除く): 4162811760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 417, 480, 512, 521, 556, 576, 640, 695, 720, 768, 834, 960, 1042, 1112, 1152, 1251, 1280, 1390, 1440, 1536, 1563, 1668, 1920, 2084, 2085, 2224, 2304, 2502, 2560, 2605, 2780, 2880, 3126, 3336, 3840, 4168, 4170, 4448, 4608, 4689, 5004, 5210, 5560, 5760, 6252, 6255, 6672, 7680, 7815, 8336, 8340, 8896, 9378, 10008, 10420, 11120, 11520, 12504, 12510, 13344, 15630, 16672, 16680, 17792, 18756, 20016, 20840, 22240, 23040, 23445, 25008, 25020, 26688, 31260, 33344, 33360, 35584, 37512, 40032, 41680, 44480, 46890, 50016, 50040, 53376, 62520, 66688, 66720, 71168, 72419, 75024, 80064, 83360, 88960, 93780, 100032, 100080, 106752, 125040, 133376, 133440, 144838, 150048, 160128, 166720, 177920, 187560, 200064, 200160, 213504, 217257, 250080, 266752, 266880, 289676, 300096, 320256, 333440, 355840, 362095, 375120, 400128, 400320, 434514, 500160, 533760, 579352, 600192, 640512, 651771, 666880, 724190, 750240, 800256, 800640, 869028, 1000320, 1067520, 1086285, 1158704, 1200384, 1303542, 1333760, 1448380, 1500480, 1601280, 1738056, 2000640, 2172570, 2317408, 2400768, 2607084, 2896760, 3000960, 3202560, 3258855, 3476112, 4001280, 4345140, 4634816, 5214168, 5793520, 6001920, 6517710, 6952224, 8690280, 9269632, 10428336, 11587040, 12003840, 13035420, 13904448, 17380560, 18539264, 20856672, 23174080, 26070840, 27808896, 34761120, 37078528, 41713344, 46348160, 52141680, 55617792, 69522240, 83426688, 92696320, 104283360, 111235584, 139044480, 166853376, 185392640, 208566720, 278088960, 333706752, 417133440, 556177920, 834266880, 1668533760]

約数ペア:

[(1, 1668533760), (2, 834266880), (3, 556177920), (4, 417133440), (5, 333706752), (6, 278088960), (8, 208566720), (9, 185392640), (10, 166853376), (12, 139044480), (15, 111235584), (16, 104283360), (18, 92696320), (20, 83426688), (24, 69522240), (30, 55617792), (32, 52141680), (36, 46348160), (40, 41713344), (45, 37078528), (48, 34761120), (60, 27808896), (64, 26070840), (72, 23174080), (80, 20856672), (90, 18539264), (96, 17380560), (120, 13904448), (128, 13035420), (139, 12003840), (144, 11587040), (160, 10428336), (180, 9269632), (192, 8690280), (240, 6952224), (256, 6517710), (278, 6001920), (288, 5793520), (320, 5214168), (360, 4634816), (384, 4345140), (417, 4001280), (480, 3476112), (512, 3258855), (521, 3202560), (556, 3000960), (576, 2896760), (640, 2607084), (695, 2400768), (720, 2317408), (768, 2172570), (834, 2000640), (960, 1738056), (1042, 1601280), (1112, 1500480), (1152, 1448380), (1251, 1333760), (1280, 1303542), (1390, 1200384), (1440, 1158704), (1536, 1086285), (1563, 1067520), (1668, 1000320), (1920, 869028), (2084, 800640), (2085, 800256), (2224, 750240), (2304, 724190), (2502, 666880), (2560, 651771), (2605, 640512), (2780, 600192), (2880, 579352), (3126, 533760), (3336, 500160), (3840, 434514), (4168, 400320), (4170, 400128), (4448, 375120), (4608, 362095), (4689, 355840), (5004, 333440), (5210, 320256), (5560, 300096), (5760, 289676), (6252, 266880), (6255, 266752), (6672, 250080), (7680, 217257), (7815, 213504), (8336, 200160), (8340, 200064), (8896, 187560), (9378, 177920), (10008, 166720), (10420, 160128), (11120, 150048), (11520, 144838), (12504, 133440), (12510, 133376), (13344, 125040), (15630, 106752), (16672, 100080), (16680, 100032), (17792, 93780), (18756, 88960), (20016, 83360), (20840, 80064), (22240, 75024), (23040, 72419), (23445, 71168), (25008, 66720), (25020, 66688), (26688, 62520), (31260, 53376), (33344, 50040), (33360, 50016), (35584, 46890), (37512, 44480), (40032, 41680)]