71880144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{213929}}^1$

素因数の和:213947

約数の個数: 40

約数和(自身を含む): 212218560

約数和(自身を除く): 140338416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 213929, 427858, 641787, 855716, 1283574, 1497503, 1711432, 2567148, 2995006, 3422864, 4492509, 5134296, 5990012, 8985018, 10268592, 11980024, 17970036, 23960048, 35940072, 71880144]

約数ペア:

[(1, 71880144), (2, 35940072), (3, 23960048), (4, 17970036), (6, 11980024), (7, 10268592), (8, 8985018), (12, 5990012), (14, 5134296), (16, 4492509), (21, 3422864), (24, 2995006), (28, 2567148), (42, 1711432), (48, 1497503), (56, 1283574), (84, 855716), (112, 641787), (168, 427858), (336, 213929)]