81621360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113363}}^1$

素因数の和:113382

約数の個数: 60

約数和(自身を含む): 274114152

約数和(自身を除く): 192492792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113363, 226726, 340089, 453452, 566815, 680178, 906904, 1020267, 1133630, 1360356, 1700445, 1813808, 2040534, 2267260, 2720712, 3400890, 4081068, 4534520, 5101335, 5441424, 6801780, 8162136, 9069040, 10202670, 13603560, 16324272, 20405340, 27207120, 40810680, 81621360]

約数ペア:

[(1, 81621360), (2, 40810680), (3, 27207120), (4, 20405340), (5, 16324272), (6, 13603560), (8, 10202670), (9, 9069040), (10, 8162136), (12, 6801780), (15, 5441424), (16, 5101335), (18, 4534520), (20, 4081068), (24, 3400890), (30, 2720712), (36, 2267260), (40, 2040534), (45, 1813808), (48, 1700445), (60, 1360356), (72, 1133630), (80, 1020267), (90, 906904), (120, 680178), (144, 566815), (180, 453452), (240, 340089), (360, 226726), (720, 113363)]