1880525920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{18451}}^1$

素因数の和:18493

約数の個数: 144

約数和(自身を含む): 5565935088

約数和(自身を除く): 3685409168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2912, 3185, 3640, 3920, 5096, 6370, 7280, 7840, 10192, 12740, 14560, 18451, 20384, 25480, 36902, 50960, 73804, 92255, 101920, 129157, 147608, 184510, 239863, 258314, 295216, 369020, 479726, 516628, 590432, 645785, 738040, 904099, 959452, 1033256, 1199315, 1291570, 1476080, 1679041, 1808198, 1918904, 2066512, 2398630, 2583140, 2952160, 3358082, 3616396, 3837808, 4133024, 4520495, 4797260, 5166280, 6716164, 7232792, 7675616, 8395205, 9040990, 9594520, 10332560, 11753287, 13432328, 14465584, 16790410, 18081980, 19189040, 20665120, 23506574, 26864656, 28931168, 33580820, 36163960, 38378080, 47013148, 53729312, 58766435, 67161640, 72327920, 94026296, 117532870, 134323280, 144655840, 188052592, 235065740, 268646560, 376105184, 470131480, 940262960, 1880525920]

約数ペア:

[(1, 1880525920), (2, 940262960), (4, 470131480), (5, 376105184), (7, 268646560), (8, 235065740), (10, 188052592), (13, 144655840), (14, 134323280), (16, 117532870), (20, 94026296), (26, 72327920), (28, 67161640), (32, 58766435), (35, 53729312), (40, 47013148), (49, 38378080), (52, 36163960), (56, 33580820), (65, 28931168), (70, 26864656), (80, 23506574), (91, 20665120), (98, 19189040), (104, 18081980), (112, 16790410), (130, 14465584), (140, 13432328), (160, 11753287), (182, 10332560), (196, 9594520), (208, 9040990), (224, 8395205), (245, 7675616), (260, 7232792), (280, 6716164), (364, 5166280), (392, 4797260), (416, 4520495), (455, 4133024), (490, 3837808), (520, 3616396), (560, 3358082), (637, 2952160), (728, 2583140), (784, 2398630), (910, 2066512), (980, 1918904), (1040, 1808198), (1120, 1679041), (1274, 1476080), (1456, 1291570), (1568, 1199315), (1820, 1033256), (1960, 959452), (2080, 904099), (2548, 738040), (2912, 645785), (3185, 590432), (3640, 516628), (3920, 479726), (5096, 369020), (6370, 295216), (7280, 258314), (7840, 239863), (10192, 184510), (12740, 147608), (14560, 129157), (18451, 101920), (20384, 92255), (25480, 73804), (36902, 50960)]