421336980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5431}}^1$

素因数の和:5877

約数の個数: 72

約数和(自身を含む): 1281256704

約数和(自身を除く): 859919724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1724, 2155, 2586, 3879, 4310, 5172, 5431, 6465, 7758, 8620, 10862, 12930, 15516, 16293, 19395, 21724, 25860, 27155, 32586, 38790, 48879, 54310, 65172, 77580, 81465, 97758, 108620, 162930, 195516, 244395, 325860, 488790, 977580, 2340761, 4681522, 7022283, 9363044, 11703805, 14044566, 21066849, 23407610, 28089132, 35111415, 42133698, 46815220, 70222830, 84267396, 105334245, 140445660, 210668490, 421336980]

約数ペア:

[(1, 421336980), (2, 210668490), (3, 140445660), (4, 105334245), (5, 84267396), (6, 70222830), (9, 46815220), (10, 42133698), (12, 35111415), (15, 28089132), (18, 23407610), (20, 21066849), (30, 14044566), (36, 11703805), (45, 9363044), (60, 7022283), (90, 4681522), (180, 2340761), (431, 977580), (862, 488790), (1293, 325860), (1724, 244395), (2155, 195516), (2586, 162930), (3879, 108620), (4310, 97758), (5172, 81465), (5431, 77580), (6465, 65172), (7758, 54310), (8620, 48879), (10862, 38790), (12930, 32586), (15516, 27155), (16293, 25860), (19395, 21724)]