142720308

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 371026656

約数和(自身を除く): 228306348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 131, 159, 212, 262, 318, 393, 477, 524, 571, 636, 786, 954, 1142, 1179, 1572, 1713, 1908, 2284, 2358, 3426, 4716, 5139, 6852, 6943, 10278, 13886, 20556, 20829, 27772, 30263, 41658, 60526, 62487, 74801, 83316, 90789, 121052, 124974, 149602, 181578, 224403, 249948, 272367, 299204, 363156, 448806, 544734, 673209, 897612, 1089468, 1346418, 2692836, 3964453, 7928906, 11893359, 15857812, 23786718, 35680077, 47573436, 71360154, 142720308]

約数ペア:

[(1, 142720308), (2, 71360154), (3, 47573436), (4, 35680077), (6, 23786718), (9, 15857812), (12, 11893359), (18, 7928906), (36, 3964453), (53, 2692836), (106, 1346418), (131, 1089468), (159, 897612), (212, 673209), (262, 544734), (318, 448806), (393, 363156), (477, 299204), (524, 272367), (571, 249948), (636, 224403), (786, 181578), (954, 149602), (1142, 124974), (1179, 121052), (1572, 90789), (1713, 83316), (1908, 74801), (2284, 62487), (2358, 60526), (3426, 41658), (4716, 30263), (5139, 27772), (6852, 20829), (6943, 20556), (10278, 13886)]