16181520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 50568192

約数和(自身を除く): 34386672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 353, 382, 573, 706, 764, 955, 1059, 1146, 1412, 1528, 1765, 1910, 2118, 2292, 2824, 2865, 3056, 3530, 3820, 4236, 4584, 5295, 5648, 5730, 7060, 7640, 8472, 9168, 10590, 11460, 14120, 15280, 16944, 21180, 22920, 28240, 42360, 45840, 67423, 84720, 134846, 202269, 269692, 337115, 404538, 539384, 674230, 809076, 1011345, 1078768, 1348460, 1618152, 2022690, 2696920, 3236304, 4045380, 5393840, 8090760, 16181520]

約数ペア:

[(1, 16181520), (2, 8090760), (3, 5393840), (4, 4045380), (5, 3236304), (6, 2696920), (8, 2022690), (10, 1618152), (12, 1348460), (15, 1078768), (16, 1011345), (20, 809076), (24, 674230), (30, 539384), (40, 404538), (48, 337115), (60, 269692), (80, 202269), (120, 134846), (191, 84720), (240, 67423), (353, 45840), (382, 42360), (573, 28240), (706, 22920), (764, 21180), (955, 16944), (1059, 15280), (1146, 14120), (1412, 11460), (1528, 10590), (1765, 9168), (1910, 8472), (2118, 7640), (2292, 7060), (2824, 5730), (2865, 5648), (3056, 5295), (3530, 4584), (3820, 4236)]