27679890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1481}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 76826880

約数和(自身を除く): 49146990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1246, 1335, 1481, 1869, 2670, 2962, 3115, 3738, 4443, 6230, 7405, 8886, 9345, 10367, 14810, 18690, 20734, 22215, 31101, 44430, 51835, 62202, 103670, 131809, 155505, 263618, 311010, 395427, 659045, 790854, 922663, 1318090, 1845326, 1977135, 2767989, 3954270, 4613315, 5535978, 9226630, 13839945, 27679890]

約数ペア:

[(1, 27679890), (2, 13839945), (3, 9226630), (5, 5535978), (6, 4613315), (7, 3954270), (10, 2767989), (14, 1977135), (15, 1845326), (21, 1318090), (30, 922663), (35, 790854), (42, 659045), (70, 395427), (89, 311010), (105, 263618), (178, 155505), (210, 131809), (267, 103670), (445, 62202), (534, 51835), (623, 44430), (890, 31101), (1246, 22215), (1335, 20734), (1481, 18690), (1869, 14810), (2670, 10367), (2962, 9345), (3115, 8886), (3738, 7405), (4443, 6230)]