257652360

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 256

約数和(自身を含む): 992217600

約数和(自身を除く): 734565240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 173, 180, 189, 197, 210, 216, 252, 270, 280, 315, 346, 360, 378, 394, 420, 504, 519, 540, 591, 630, 692, 756, 788, 840, 865, 945, 985, 1038, 1080, 1182, 1211, 1260, 1379, 1384, 1512, 1557, 1576, 1730, 1773, 1890, 1970, 2076, 2364, 2422, 2520, 2595, 2758, 2955, 3114, 3460, 3546, 3633, 3780, 3940, 4137, 4152, 4671, 4728, 4844, 5190, 5319, 5516, 5910, 6055, 6228, 6895, 6920, 7092, 7266, 7560, 7785, 7880, 8274, 8865, 9342, 9688, 10380, 10638, 10899, 11032, 11820, 12110, 12411, 12456, 13790, 14184, 14532, 15570, 16548, 17730, 18165, 18684, 20685, 20760, 21276, 21798, 23355, 23640, 24220, 24822, 26595, 27580, 29064, 31140, 32697, 33096, 34081, 35460, 36330, 37233, 37368, 41370, 42552, 43596, 46710, 48440, 49644, 53190, 54495, 55160, 62055, 62280, 65394, 68162, 70920, 72660, 74466, 82740, 87192, 93420, 99288, 102243, 106380, 108990, 124110, 130788, 136324, 145320, 148932, 163485, 165480, 170405, 186165, 186840, 204486, 212760, 217980, 238567, 248220, 261576, 272648, 297864, 306729, 326970, 340810, 372330, 408972, 435960, 477134, 496440, 511215, 613458, 653940, 681620, 715701, 744660, 817944, 920187, 954268, 1022430, 1192835, 1226916, 1307880, 1363240, 1431402, 1489320, 1533645, 1840374, 1908536, 2044860, 2147103, 2385670, 2453832, 2862804, 3067290, 3578505, 3680748, 4089720, 4294206, 4600935, 4771340, 5725608, 6134580, 6441309, 7157010, 7361496, 8588412, 9201870, 9542680, 10735515, 12269160, 12882618, 14314020, 17176824, 18403740, 21471030, 25765236, 28628040, 32206545, 36807480, 42942060, 51530472, 64413090, 85884120, 128826180, 257652360]

約数ペア:

[(1, 257652360), (2, 128826180), (3, 85884120), (4, 64413090), (5, 51530472), (6, 42942060), (7, 36807480), (8, 32206545), (9, 28628040), (10, 25765236), (12, 21471030), (14, 18403740), (15, 17176824), (18, 14314020), (20, 12882618), (21, 12269160), (24, 10735515), (27, 9542680), (28, 9201870), (30, 8588412), (35, 7361496), (36, 7157010), (40, 6441309), (42, 6134580), (45, 5725608), (54, 4771340), (56, 4600935), (60, 4294206), (63, 4089720), (70, 3680748), (72, 3578505), (84, 3067290), (90, 2862804), (105, 2453832), (108, 2385670), (120, 2147103), (126, 2044860), (135, 1908536), (140, 1840374), (168, 1533645), (173, 1489320), (180, 1431402), (189, 1363240), (197, 1307880), (210, 1226916), (216, 1192835), (252, 1022430), (270, 954268), (280, 920187), (315, 817944), (346, 744660), (360, 715701), (378, 681620), (394, 653940), (420, 613458), (504, 511215), (519, 496440), (540, 477134), (591, 435960), (630, 408972), (692, 372330), (756, 340810), (788, 326970), (840, 306729), (865, 297864), (945, 272648), (985, 261576), (1038, 248220), (1080, 238567), (1182, 217980), (1211, 212760), (1260, 204486), (1379, 186840), (1384, 186165), (1512, 170405), (1557, 165480), (1576, 163485), (1730, 148932), (1773, 145320), (1890, 136324), (1970, 130788), (2076, 124110), (2364, 108990), (2422, 106380), (2520, 102243), (2595, 99288), (2758, 93420), (2955, 87192), (3114, 82740), (3460, 74466), (3546, 72660), (3633, 70920), (3780, 68162), (3940, 65394), (4137, 62280), (4152, 62055), (4671, 55160), (4728, 54495), (4844, 53190), (5190, 49644), (5319, 48440), (5516, 46710), (5910, 43596), (6055, 42552), (6228, 41370), (6895, 37368), (6920, 37233), (7092, 36330), (7266, 35460), (7560, 34081), (7785, 33096), (7880, 32697), (8274, 31140), (8865, 29064), (9342, 27580), (9688, 26595), (10380, 24822), (10638, 24220), (10899, 23640), (11032, 23355), (11820, 21798), (12110, 21276), (12411, 20760), (12456, 20685), (13790, 18684), (14184, 18165), (14532, 17730), (15570, 16548)]