16923420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 51760800

約数和(自身を除く): 34837380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 631, 745, 894, 1262, 1341, 1490, 1788, 1893, 2235, 2524, 2682, 2980, 3155, 3786, 4470, 5364, 5679, 6310, 6705, 7572, 8940, 9465, 11358, 12620, 13410, 18930, 22716, 26820, 28395, 37860, 56790, 94019, 113580, 188038, 282057, 376076, 470095, 564114, 846171, 940190, 1128228, 1410285, 1692342, 1880380, 2820570, 3384684, 4230855, 5641140, 8461710, 16923420]

約数ペア:

[(1, 16923420), (2, 8461710), (3, 5641140), (4, 4230855), (5, 3384684), (6, 2820570), (9, 1880380), (10, 1692342), (12, 1410285), (15, 1128228), (18, 940190), (20, 846171), (30, 564114), (36, 470095), (45, 376076), (60, 282057), (90, 188038), (149, 113580), (180, 94019), (298, 56790), (447, 37860), (596, 28395), (631, 26820), (745, 22716), (894, 18930), (1262, 13410), (1341, 12620), (1490, 11358), (1788, 9465), (1893, 8940), (2235, 7572), (2524, 6705), (2682, 6310), (2980, 5679), (3155, 5364), (3786, 4470)]