1318818816

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{20443}}^1$

素因数の和:20476

約数の個数: 132

約数和(自身を含む): 4352282272

約数和(自身を除く): 3033463456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1024, 1152, 1344, 1536, 1792, 2016, 2304, 2688, 3072, 3584, 4032, 4608, 5376, 7168, 8064, 9216, 10752, 16128, 20443, 21504, 32256, 40886, 61329, 64512, 81772, 122658, 143101, 163544, 183987, 245316, 286202, 327088, 367974, 429303, 490632, 572404, 654176, 735948, 858606, 981264, 1144808, 1287909, 1308352, 1471896, 1717212, 1962528, 2289616, 2575818, 2616704, 2943792, 3434424, 3925056, 4579232, 5151636, 5233408, 5887584, 6868848, 7850112, 9158464, 10303272, 10466816, 11775168, 13737696, 15700224, 18316928, 20606544, 20933632, 23550336, 27475392, 31400448, 36633856, 41213088, 47100672, 54950784, 62800896, 73267712, 82426176, 94201344, 109901568, 146535424, 164852352, 188402688, 219803136, 329704704, 439606272, 659409408, 1318818816]

約数ペア:

[(1, 1318818816), (2, 659409408), (3, 439606272), (4, 329704704), (6, 219803136), (7, 188402688), (8, 164852352), (9, 146535424), (12, 109901568), (14, 94201344), (16, 82426176), (18, 73267712), (21, 62800896), (24, 54950784), (28, 47100672), (32, 41213088), (36, 36633856), (42, 31400448), (48, 27475392), (56, 23550336), (63, 20933632), (64, 20606544), (72, 18316928), (84, 15700224), (96, 13737696), (112, 11775168), (126, 10466816), (128, 10303272), (144, 9158464), (168, 7850112), (192, 6868848), (224, 5887584), (252, 5233408), (256, 5151636), (288, 4579232), (336, 3925056), (384, 3434424), (448, 2943792), (504, 2616704), (512, 2575818), (576, 2289616), (672, 1962528), (768, 1717212), (896, 1471896), (1008, 1308352), (1024, 1287909), (1152, 1144808), (1344, 981264), (1536, 858606), (1792, 735948), (2016, 654176), (2304, 572404), (2688, 490632), (3072, 429303), (3584, 367974), (4032, 327088), (4608, 286202), (5376, 245316), (7168, 183987), (8064, 163544), (9216, 143101), (10752, 122658), (16128, 81772), (20443, 64512), (21504, 61329), (32256, 40886)]