1279367080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1613}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 2928441600

約数和(自身を除く): 1649074520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 251, 316, 395, 502, 632, 790, 1004, 1255, 1580, 1613, 2008, 2510, 3160, 3226, 5020, 6452, 8065, 10040, 12904, 16130, 19829, 32260, 39658, 64520, 79316, 99145, 127427, 158632, 198290, 254854, 396580, 404863, 509708, 637135, 793160, 809726, 1019416, 1274270, 1619452, 2024315, 2548540, 3238904, 4048630, 5097080, 8097260, 16194520, 31984177, 63968354, 127936708, 159920885, 255873416, 319841770, 639683540, 1279367080]

約数ペア:

[(1, 1279367080), (2, 639683540), (4, 319841770), (5, 255873416), (8, 159920885), (10, 127936708), (20, 63968354), (40, 31984177), (79, 16194520), (158, 8097260), (251, 5097080), (316, 4048630), (395, 3238904), (502, 2548540), (632, 2024315), (790, 1619452), (1004, 1274270), (1255, 1019416), (1580, 809726), (1613, 793160), (2008, 637135), (2510, 509708), (3160, 404863), (3226, 396580), (5020, 254854), (6452, 198290), (8065, 158632), (10040, 127427), (12904, 99145), (16130, 79316), (19829, 64520), (32260, 39658)]