69931980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{877}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 212848272

約数和(自身を除く): 142916292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 877, 886, 1329, 1754, 1772, 2215, 2631, 2658, 3508, 3987, 4385, 4430, 5262, 5316, 6645, 7893, 7974, 8770, 8860, 10524, 13155, 13290, 15786, 15948, 17540, 19935, 26310, 26580, 31572, 39465, 39870, 52620, 78930, 79740, 157860, 388511, 777022, 1165533, 1554044, 1942555, 2331066, 3496599, 3885110, 4662132, 5827665, 6993198, 7770220, 11655330, 13986396, 17482995, 23310660, 34965990, 69931980]

約数ペア:

[(1, 69931980), (2, 34965990), (3, 23310660), (4, 17482995), (5, 13986396), (6, 11655330), (9, 7770220), (10, 6993198), (12, 5827665), (15, 4662132), (18, 3885110), (20, 3496599), (30, 2331066), (36, 1942555), (45, 1554044), (60, 1165533), (90, 777022), (180, 388511), (443, 157860), (877, 79740), (886, 78930), (1329, 52620), (1754, 39870), (1772, 39465), (2215, 31572), (2631, 26580), (2658, 26310), (3508, 19935), (3987, 17540), (4385, 15948), (4430, 15786), (5262, 13290), (5316, 13155), (6645, 10524), (7893, 8860), (7974, 8770)]