15671985080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{1039}}^1$

素因数の和:1381

約数の個数: 128

約数和(自身を含む): 37739520000

約数和(自身を除く): 22067534920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 223, 356, 380, 445, 446, 712, 760, 890, 892, 1039, 1115, 1691, 1780, 1784, 2078, 2230, 3382, 3560, 4156, 4237, 4460, 5195, 6764, 8312, 8455, 8474, 8920, 10390, 13528, 16910, 16948, 19741, 19847, 20780, 21185, 33820, 33896, 39482, 39694, 41560, 42370, 67640, 78964, 79388, 84740, 92471, 98705, 99235, 157928, 158776, 169480, 184942, 197410, 198470, 231697, 369884, 377093, 394820, 396940, 462355, 463394, 739768, 754186, 789640, 793880, 924710, 926788, 1158485, 1508372, 1756949, 1849420, 1853576, 1885465, 2316970, 3016744, 3513898, 3698840, 3770930, 4402243, 4633940, 7027796, 7541860, 8784745, 8804486, 9267880, 14055592, 15083720, 17569490, 17608972, 20621033, 22011215, 35138980, 35217944, 41242066, 44022430, 70277960, 82484132, 88044860, 103105165, 164968264, 176089720, 206210330, 391799627, 412420660, 783599254, 824841320, 1567198508, 1958998135, 3134397016, 3917996270, 7835992540, 15671985080]

約数ペア:

[(1, 15671985080), (2, 7835992540), (4, 3917996270), (5, 3134397016), (8, 1958998135), (10, 1567198508), (19, 824841320), (20, 783599254), (38, 412420660), (40, 391799627), (76, 206210330), (89, 176089720), (95, 164968264), (152, 103105165), (178, 88044860), (190, 82484132), (223, 70277960), (356, 44022430), (380, 41242066), (445, 35217944), (446, 35138980), (712, 22011215), (760, 20621033), (890, 17608972), (892, 17569490), (1039, 15083720), (1115, 14055592), (1691, 9267880), (1780, 8804486), (1784, 8784745), (2078, 7541860), (2230, 7027796), (3382, 4633940), (3560, 4402243), (4156, 3770930), (4237, 3698840), (4460, 3513898), (5195, 3016744), (6764, 2316970), (8312, 1885465), (8455, 1853576), (8474, 1849420), (8920, 1756949), (10390, 1508372), (13528, 1158485), (16910, 926788), (16948, 924710), (19741, 793880), (19847, 789640), (20780, 754186), (21185, 739768), (33820, 463394), (33896, 462355), (39482, 396940), (39694, 394820), (41560, 377093), (42370, 369884), (67640, 231697), (78964, 198470), (79388, 197410), (84740, 184942), (92471, 169480), (98705, 158776), (99235, 157928)]