155128215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 289723392

約数和(自身を除く): 134595177

約数列:

[1, 3, 5, 11, 15, 23, 33, 41, 55, 69, 115, 123, 165, 205, 253, 345, 451, 615, 759, 943, 997, 1265, 1353, 2255, 2829, 2991, 3795, 4715, 4985, 6765, 10373, 10967, 14145, 14955, 22931, 31119, 32901, 40877, 51865, 54835, 68793, 114655, 122631, 155595, 164505, 204385, 252241, 343965, 449647, 613155, 756723, 940171, 1261205, 1348941, 2248235, 2820513, 3783615, 4700855, 6744705, 10341881, 14102565, 31025643, 51709405, 155128215]

約数ペア:

[(1, 155128215), (3, 51709405), (5, 31025643), (11, 14102565), (15, 10341881), (23, 6744705), (33, 4700855), (41, 3783615), (55, 2820513), (69, 2248235), (115, 1348941), (123, 1261205), (165, 940171), (205, 756723), (253, 613155), (345, 449647), (451, 343965), (615, 252241), (759, 204385), (943, 164505), (997, 155595), (1265, 122631), (1353, 114655), (2255, 68793), (2829, 54835), (2991, 51865), (3795, 40877), (4715, 32901), (4985, 31119), (6765, 22931), (10373, 14955), (10967, 14145)]