69874020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20465

約数の個数: 72

約数和(自身を含む): 223117440

約数和(自身を除く): 153243420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20431, 40862, 61293, 81724, 102155, 122586, 183879, 204310, 245172, 306465, 367758, 388189, 408620, 612930, 735516, 776378, 919395, 1164567, 1225860, 1552756, 1838790, 1940945, 2329134, 3493701, 3677580, 3881890, 4658268, 5822835, 6987402, 7763780, 11645670, 13974804, 17468505, 23291340, 34937010, 69874020]

約数ペア:

[(1, 69874020), (2, 34937010), (3, 23291340), (4, 17468505), (5, 13974804), (6, 11645670), (9, 7763780), (10, 6987402), (12, 5822835), (15, 4658268), (18, 3881890), (19, 3677580), (20, 3493701), (30, 2329134), (36, 1940945), (38, 1838790), (45, 1552756), (57, 1225860), (60, 1164567), (76, 919395), (90, 776378), (95, 735516), (114, 612930), (171, 408620), (180, 388189), (190, 367758), (228, 306465), (285, 245172), (342, 204310), (380, 183879), (570, 122586), (684, 102155), (855, 81724), (1140, 61293), (1710, 40862), (3420, 20431)]