1566456980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{25339}}^1$

素因数の和:25640

約数の個数: 48

約数和(自身を含む): 3601523520

約数和(自身を除く): 2035066540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1405, 2810, 3091, 5620, 6182, 12364, 15455, 25339, 30910, 50678, 61820, 101356, 126695, 253390, 278729, 506780, 557458, 1114916, 1393645, 2787290, 5574580, 7120259, 14240518, 28481036, 35601295, 71202590, 78322849, 142405180, 156645698, 313291396, 391614245, 783228490, 1566456980]

約数ペア:

[(1, 1566456980), (2, 783228490), (4, 391614245), (5, 313291396), (10, 156645698), (11, 142405180), (20, 78322849), (22, 71202590), (44, 35601295), (55, 28481036), (110, 14240518), (220, 7120259), (281, 5574580), (562, 2787290), (1124, 1393645), (1405, 1114916), (2810, 557458), (3091, 506780), (5620, 278729), (6182, 253390), (12364, 126695), (15455, 101356), (25339, 61820), (30910, 50678)]