7438140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 108

約数和(自身を含む): 23855832

約数和(自身を除く): 16417692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 860, 930, 961, 1116, 1290, 1333, 1395, 1548, 1860, 1922, 1935, 2580, 2666, 2790, 2883, 3844, 3870, 3999, 4805, 5332, 5580, 5766, 6665, 7740, 7998, 8649, 9610, 11532, 11997, 13330, 14415, 15996, 17298, 19220, 19995, 23994, 26660, 28830, 34596, 39990, 41323, 43245, 47988, 57660, 59985, 79980, 82646, 86490, 119970, 123969, 165292, 172980, 206615, 239940, 247938, 371907, 413230, 495876, 619845, 743814, 826460, 1239690, 1487628, 1859535, 2479380, 3719070, 7438140]

約数ペア:

[(1, 7438140), (2, 3719070), (3, 2479380), (4, 1859535), (5, 1487628), (6, 1239690), (9, 826460), (10, 743814), (12, 619845), (15, 495876), (18, 413230), (20, 371907), (30, 247938), (31, 239940), (36, 206615), (43, 172980), (45, 165292), (60, 123969), (62, 119970), (86, 86490), (90, 82646), (93, 79980), (124, 59985), (129, 57660), (155, 47988), (172, 43245), (180, 41323), (186, 39990), (215, 34596), (258, 28830), (279, 26660), (310, 23994), (372, 19995), (387, 19220), (430, 17298), (465, 15996), (516, 14415), (558, 13330), (620, 11997), (645, 11532), (774, 9610), (860, 8649), (930, 7998), (961, 7740), (1116, 6665), (1290, 5766), (1333, 5580), (1395, 5332), (1548, 4805), (1860, 3999), (1922, 3870), (1935, 3844), (2580, 2883), (2666, 2790)]