161692020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{128327}}^1$

素因数の和:128349

約数の個数: 72

約数和(自身を含む): 560536704

約数和(自身を除く): 398844684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 128327, 256654, 384981, 513308, 641635, 769962, 898289, 1154943, 1283270, 1539924, 1796578, 1924905, 2309886, 2566540, 2694867, 3593156, 3849810, 4491445, 4619772, 5389734, 5774715, 7699620, 8084601, 8982890, 10779468, 11549430, 13474335, 16169202, 17965780, 23098860, 26948670, 32338404, 40423005, 53897340, 80846010, 161692020]

約数ペア:

[(1, 161692020), (2, 80846010), (3, 53897340), (4, 40423005), (5, 32338404), (6, 26948670), (7, 23098860), (9, 17965780), (10, 16169202), (12, 13474335), (14, 11549430), (15, 10779468), (18, 8982890), (20, 8084601), (21, 7699620), (28, 5774715), (30, 5389734), (35, 4619772), (36, 4491445), (42, 3849810), (45, 3593156), (60, 2694867), (63, 2566540), (70, 2309886), (84, 1924905), (90, 1796578), (105, 1539924), (126, 1283270), (140, 1154943), (180, 898289), (210, 769962), (252, 641635), (315, 513308), (420, 384981), (630, 256654), (1260, 128327)]