42939990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 115084800

約数和(自身を除く): 72144810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 359, 443, 718, 886, 1077, 1329, 1795, 2154, 2215, 2658, 3231, 3590, 3987, 4430, 5385, 6462, 6645, 7974, 9693, 10770, 11961, 13290, 16155, 19386, 19935, 23922, 32310, 39870, 48465, 59805, 96930, 119610, 159037, 318074, 477111, 795185, 954222, 1431333, 1590370, 2385555, 2862666, 4293999, 4771110, 7156665, 8587998, 14313330, 21469995, 42939990]

約数ペア:

[(1, 42939990), (2, 21469995), (3, 14313330), (5, 8587998), (6, 7156665), (9, 4771110), (10, 4293999), (15, 2862666), (18, 2385555), (27, 1590370), (30, 1431333), (45, 954222), (54, 795185), (90, 477111), (135, 318074), (270, 159037), (359, 119610), (443, 96930), (718, 59805), (886, 48465), (1077, 39870), (1329, 32310), (1795, 23922), (2154, 19935), (2215, 19386), (2658, 16155), (3231, 13290), (3590, 11961), (3987, 10770), (4430, 9693), (5385, 7974), (6462, 6645)]