215219340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{170809}}^1$

素因数の和:170831

約数の個数: 72

約数和(自身を含む): 746098080

約数和(自身を除く): 530878740

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, 170809, 341618, 512427, 683236, 854045, 1024854, 1195663, 1537281, 1708090, 2049708, 2391326, 2562135, 3074562, 3416180, 3586989, 4782652, 5124270, 5978315, 6149124, 7173978, 7686405, 10248540, 10760967, 11956630, 14347956, 15372810, 17934945, 21521934, 23913260, 30745620, 35869890, 43043868, 53804835, 71739780, 107609670, 215219340]

約数ペア:

[(1, 215219340), (2, 107609670), (3, 71739780), (4, 53804835), (5, 43043868), (6, 35869890), (7, 30745620), (9, 23913260), (10, 21521934), (12, 17934945), (14, 15372810), (15, 14347956), (18, 11956630), (20, 10760967), (21, 10248540), (28, 7686405), (30, 7173978), (35, 6149124), (36, 5978315), (42, 5124270), (45, 4782652), (60, 3586989), (63, 3416180), (70, 3074562), (84, 2562135), (90, 2391326), (105, 2049708), (126, 1708090), (140, 1537281), (180, 1195663), (210, 1024854), (252, 854045), (315, 683236), (420, 512427), (630, 341618), (1260, 170809)]