667616880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{991}}^1$

素因数の和:1415

約数の個数: 160

約数和(自身を含む): 2373562368

約数和(自身を除く): 1705945488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 401, 420, 560, 802, 840, 991, 1203, 1604, 1680, 1982, 2005, 2406, 2807, 2973, 3208, 3964, 4010, 4812, 4955, 5614, 5946, 6015, 6416, 6937, 7928, 8020, 8421, 9624, 9910, 11228, 11892, 12030, 13874, 14035, 14865, 15856, 16040, 16842, 19248, 19820, 20811, 22456, 23784, 24060, 27748, 28070, 29730, 32080, 33684, 34685, 39640, 41622, 42105, 44912, 47568, 48120, 55496, 56140, 59460, 67368, 69370, 79280, 83244, 84210, 96240, 104055, 110992, 112280, 118920, 134736, 138740, 166488, 168420, 208110, 224560, 237840, 277480, 332976, 336840, 397391, 416220, 554960, 673680, 794782, 832440, 1192173, 1589564, 1664880, 1986955, 2384346, 2781737, 3179128, 3973910, 4768692, 5563474, 5960865, 6358256, 7947820, 8345211, 9537384, 11126948, 11921730, 13908685, 15895640, 16690422, 19074768, 22253896, 23843460, 27817370, 31791280, 33380844, 41726055, 44507792, 47686920, 55634740, 66761688, 83452110, 95373840, 111269480, 133523376, 166904220, 222538960, 333808440, 667616880]

約数ペア:

[(1, 667616880), (2, 333808440), (3, 222538960), (4, 166904220), (5, 133523376), (6, 111269480), (7, 95373840), (8, 83452110), (10, 66761688), (12, 55634740), (14, 47686920), (15, 44507792), (16, 41726055), (20, 33380844), (21, 31791280), (24, 27817370), (28, 23843460), (30, 22253896), (35, 19074768), (40, 16690422), (42, 15895640), (48, 13908685), (56, 11921730), (60, 11126948), (70, 9537384), (80, 8345211), (84, 7947820), (105, 6358256), (112, 5960865), (120, 5563474), (140, 4768692), (168, 3973910), (210, 3179128), (240, 2781737), (280, 2384346), (336, 1986955), (401, 1664880), (420, 1589564), (560, 1192173), (802, 832440), (840, 794782), (991, 673680), (1203, 554960), (1604, 416220), (1680, 397391), (1982, 336840), (2005, 332976), (2406, 277480), (2807, 237840), (2973, 224560), (3208, 208110), (3964, 168420), (4010, 166488), (4812, 138740), (4955, 134736), (5614, 118920), (5946, 112280), (6015, 110992), (6416, 104055), (6937, 96240), (7928, 84210), (8020, 83244), (8421, 79280), (9624, 69370), (9910, 67368), (11228, 59460), (11892, 56140), (12030, 55496), (13874, 48120), (14035, 47568), (14865, 44912), (15856, 42105), (16040, 41622), (16842, 39640), (19248, 34685), (19820, 33684), (20811, 32080), (22456, 29730), (23784, 28070), (24060, 27748)]