81056520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225157}}^1$

素因数の和:225174

約数の個数: 48

約数和(自身を含む): 263434860

約数和(自身を除く): 182378340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225157, 450314, 675471, 900628, 1125785, 1350942, 1801256, 2026413, 2251570, 2701884, 3377355, 4052826, 4503140, 5403768, 6754710, 8105652, 9006280, 10132065, 13509420, 16211304, 20264130, 27018840, 40528260, 81056520]

約数ペア:

[(1, 81056520), (2, 40528260), (3, 27018840), (4, 20264130), (5, 16211304), (6, 13509420), (8, 10132065), (9, 9006280), (10, 8105652), (12, 6754710), (15, 5403768), (18, 4503140), (20, 4052826), (24, 3377355), (30, 2701884), (36, 2251570), (40, 2026413), (45, 1801256), (60, 1350942), (72, 1125785), (90, 900628), (120, 675471), (180, 450314), (360, 225157)]