18231120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25321}}^1$

素因数の和:25340

約数の個数: 60

約数和(自身を含む): 61228596

約数和(自身を除く): 42997476

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, 25321, 50642, 75963, 101284, 126605, 151926, 202568, 227889, 253210, 303852, 379815, 405136, 455778, 506420, 607704, 759630, 911556, 1012840, 1139445, 1215408, 1519260, 1823112, 2025680, 2278890, 3038520, 3646224, 4557780, 6077040, 9115560, 18231120]

約数ペア:

[(1, 18231120), (2, 9115560), (3, 6077040), (4, 4557780), (5, 3646224), (6, 3038520), (8, 2278890), (9, 2025680), (10, 1823112), (12, 1519260), (15, 1215408), (16, 1139445), (18, 1012840), (20, 911556), (24, 759630), (30, 607704), (36, 506420), (40, 455778), (45, 405136), (48, 379815), (60, 303852), (72, 253210), (80, 227889), (90, 202568), (120, 151926), (144, 126605), (180, 101284), (240, 75963), (360, 50642), (720, 25321)]