280891320

素因数分解:

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

素因数の和:5876

約数の個数: 64

約数和(自身を含む): 844784640

約数和(自身を除く): 563893320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2586, 3448, 4310, 5172, 5431, 6465, 8620, 10344, 10862, 12930, 16293, 17240, 21724, 25860, 27155, 32586, 43448, 51720, 54310, 65172, 81465, 108620, 130344, 162930, 217240, 325860, 651720, 2340761, 4681522, 7022283, 9363044, 11703805, 14044566, 18726088, 23407610, 28089132, 35111415, 46815220, 56178264, 70222830, 93630440, 140445660, 280891320]

約数ペア:

[(1, 280891320), (2, 140445660), (3, 93630440), (4, 70222830), (5, 56178264), (6, 46815220), (8, 35111415), (10, 28089132), (12, 23407610), (15, 18726088), (20, 14044566), (24, 11703805), (30, 9363044), (40, 7022283), (60, 4681522), (120, 2340761), (431, 651720), (862, 325860), (1293, 217240), (1724, 162930), (2155, 130344), (2586, 108620), (3448, 81465), (4310, 65172), (5172, 54310), (5431, 51720), (6465, 43448), (8620, 32586), (10344, 27155), (10862, 25860), (12930, 21724), (16293, 17240)]