16849980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 59963904

約数和(自身を除く): 43113924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 311, 315, 387, 420, 430, 516, 602, 622, 630, 645, 774, 860, 903, 933, 1204, 1244, 1260, 1290, 1505, 1548, 1555, 1806, 1866, 1935, 2177, 2580, 2709, 2799, 3010, 3110, 3612, 3732, 3870, 4354, 4515, 4665, 5418, 5598, 6020, 6220, 6531, 7740, 8708, 9030, 9330, 10836, 10885, 11196, 13062, 13373, 13545, 13995, 18060, 18660, 19593, 21770, 26124, 26746, 27090, 27990, 32655, 39186, 40119, 43540, 53492, 54180, 55980, 65310, 66865, 78372, 80238, 93611, 97965, 120357, 130620, 133730, 160476, 187222, 195930, 200595, 240714, 267460, 280833, 374444, 391860, 401190, 468055, 481428, 561666, 601785, 802380, 842499, 936110, 1123332, 1203570, 1404165, 1684998, 1872220, 2407140, 2808330, 3369996, 4212495, 5616660, 8424990, 16849980]

約数ペア:

[(1, 16849980), (2, 8424990), (3, 5616660), (4, 4212495), (5, 3369996), (6, 2808330), (7, 2407140), (9, 1872220), (10, 1684998), (12, 1404165), (14, 1203570), (15, 1123332), (18, 936110), (20, 842499), (21, 802380), (28, 601785), (30, 561666), (35, 481428), (36, 468055), (42, 401190), (43, 391860), (45, 374444), (60, 280833), (63, 267460), (70, 240714), (84, 200595), (86, 195930), (90, 187222), (105, 160476), (126, 133730), (129, 130620), (140, 120357), (172, 97965), (180, 93611), (210, 80238), (215, 78372), (252, 66865), (258, 65310), (301, 55980), (311, 54180), (315, 53492), (387, 43540), (420, 40119), (430, 39186), (516, 32655), (602, 27990), (622, 27090), (630, 26746), (645, 26124), (774, 21770), (860, 19593), (903, 18660), (933, 18060), (1204, 13995), (1244, 13545), (1260, 13373), (1290, 13062), (1505, 11196), (1548, 10885), (1555, 10836), (1806, 9330), (1866, 9030), (1935, 8708), (2177, 7740), (2580, 6531), (2709, 6220), (2799, 6020), (3010, 5598), (3110, 5418), (3612, 4665), (3732, 4515), (3870, 4354)]