17875980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2175

約数の個数: 72

約数和(自身を含む): 55403712

約数和(自身を除く): 37527732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2113, 2115, 2820, 4226, 4230, 6339, 8452, 8460, 10565, 12678, 19017, 21130, 25356, 31695, 38034, 42260, 63390, 76068, 95085, 99311, 126780, 190170, 198622, 297933, 380340, 397244, 496555, 595866, 893799, 993110, 1191732, 1489665, 1787598, 1986220, 2979330, 3575196, 4468995, 5958660, 8937990, 17875980]

約数ペア:

[(1, 17875980), (2, 8937990), (3, 5958660), (4, 4468995), (5, 3575196), (6, 2979330), (9, 1986220), (10, 1787598), (12, 1489665), (15, 1191732), (18, 993110), (20, 893799), (30, 595866), (36, 496555), (45, 397244), (47, 380340), (60, 297933), (90, 198622), (94, 190170), (141, 126780), (180, 99311), (188, 95085), (235, 76068), (282, 63390), (423, 42260), (470, 38034), (564, 31695), (705, 25356), (846, 21130), (940, 19017), (1410, 12678), (1692, 10565), (2113, 8460), (2115, 8452), (2820, 6339), (4226, 4230)]