128928060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5153}}^1$

素因数の和:5307

約数の個数: 72

約数和(自身を含む): 393971760

約数和(自身を除く): 265043700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 5153, 6255, 8340, 10306, 12510, 15459, 20612, 25020, 25765, 30918, 46377, 51530, 61836, 77295, 92754, 103060, 154590, 185508, 231885, 309180, 463770, 716267, 927540, 1432534, 2148801, 2865068, 3581335, 4297602, 6446403, 7162670, 8595204, 10744005, 12892806, 14325340, 21488010, 25785612, 32232015, 42976020, 64464030, 128928060]

約数ペア:

[(1, 128928060), (2, 64464030), (3, 42976020), (4, 32232015), (5, 25785612), (6, 21488010), (9, 14325340), (10, 12892806), (12, 10744005), (15, 8595204), (18, 7162670), (20, 6446403), (30, 4297602), (36, 3581335), (45, 2865068), (60, 2148801), (90, 1432534), (139, 927540), (180, 716267), (278, 463770), (417, 309180), (556, 231885), (695, 185508), (834, 154590), (1251, 103060), (1390, 92754), (1668, 77295), (2085, 61836), (2502, 51530), (2780, 46377), (4170, 30918), (5004, 25765), (5153, 25020), (6255, 20612), (8340, 15459), (10306, 12510)]