8669940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 24420480

約数和(自身を除く): 15750540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 631, 687, 916, 1145, 1262, 1374, 1893, 2290, 2524, 2748, 3155, 3435, 3786, 4580, 6310, 6870, 7572, 9465, 12620, 13740, 18930, 37860, 144499, 288998, 433497, 577996, 722495, 866994, 1444990, 1733988, 2167485, 2889980, 4334970, 8669940]

約数ペア:

[(1, 8669940), (2, 4334970), (3, 2889980), (4, 2167485), (5, 1733988), (6, 1444990), (10, 866994), (12, 722495), (15, 577996), (20, 433497), (30, 288998), (60, 144499), (229, 37860), (458, 18930), (631, 13740), (687, 12620), (916, 9465), (1145, 7572), (1262, 6870), (1374, 6310), (1893, 4580), (2290, 3786), (2524, 3435), (2748, 3155)]