2479380

素因数分解:

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

素因数の和:117

約数の個数: 72

約数和(自身を含む): 7340256

約数和(自身を除く): 4860876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 930, 961, 1290, 1333, 1860, 1922, 2580, 2666, 2883, 3844, 3999, 4805, 5332, 5766, 6665, 7998, 9610, 11532, 13330, 14415, 15996, 19220, 19995, 26660, 28830, 39990, 41323, 57660, 79980, 82646, 123969, 165292, 206615, 247938, 413230, 495876, 619845, 826460, 1239690, 2479380]

約数ペア:

[(1, 2479380), (2, 1239690), (3, 826460), (4, 619845), (5, 495876), (6, 413230), (10, 247938), (12, 206615), (15, 165292), (20, 123969), (30, 82646), (31, 79980), (43, 57660), (60, 41323), (62, 39990), (86, 28830), (93, 26660), (124, 19995), (129, 19220), (155, 15996), (172, 14415), (186, 13330), (215, 11532), (258, 9610), (310, 7998), (372, 6665), (430, 5766), (465, 5332), (516, 4805), (620, 3999), (645, 3844), (860, 2883), (930, 2666), (961, 2580), (1290, 1922), (1333, 1860)]