9917520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 32506848

約数和(自身を除く): 22589328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 496, 516, 620, 645, 688, 744, 860, 930, 961, 1032, 1240, 1290, 1333, 1488, 1720, 1860, 1922, 2064, 2480, 2580, 2666, 2883, 3440, 3720, 3844, 3999, 4805, 5160, 5332, 5766, 6665, 7440, 7688, 7998, 9610, 10320, 10664, 11532, 13330, 14415, 15376, 15996, 19220, 19995, 21328, 23064, 26660, 28830, 31992, 38440, 39990, 41323, 46128, 53320, 57660, 63984, 76880, 79980, 82646, 106640, 115320, 123969, 159960, 165292, 206615, 230640, 247938, 319920, 330584, 413230, 495876, 619845, 661168, 826460, 991752, 1239690, 1652920, 1983504, 2479380, 3305840, 4958760, 9917520]

約数ペア:

[(1, 9917520), (2, 4958760), (3, 3305840), (4, 2479380), (5, 1983504), (6, 1652920), (8, 1239690), (10, 991752), (12, 826460), (15, 661168), (16, 619845), (20, 495876), (24, 413230), (30, 330584), (31, 319920), (40, 247938), (43, 230640), (48, 206615), (60, 165292), (62, 159960), (80, 123969), (86, 115320), (93, 106640), (120, 82646), (124, 79980), (129, 76880), (155, 63984), (172, 57660), (186, 53320), (215, 46128), (240, 41323), (248, 39990), (258, 38440), (310, 31992), (344, 28830), (372, 26660), (430, 23064), (465, 21328), (496, 19995), (516, 19220), (620, 15996), (645, 15376), (688, 14415), (744, 13330), (860, 11532), (930, 10664), (961, 10320), (1032, 9610), (1240, 7998), (1290, 7688), (1333, 7440), (1488, 6665), (1720, 5766), (1860, 5332), (1922, 5160), (2064, 4805), (2480, 3999), (2580, 3844), (2666, 3720), (2883, 3440)]