6400980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 19891872

約数和(自身を除く): 13490892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 827, 860, 1290, 1548, 1654, 1935, 2481, 2580, 3308, 3870, 4135, 4962, 7443, 7740, 8270, 9924, 12405, 14886, 16540, 24810, 29772, 35561, 37215, 49620, 71122, 74430, 106683, 142244, 148860, 177805, 213366, 320049, 355610, 426732, 533415, 640098, 711220, 1066830, 1280196, 1600245, 2133660, 3200490, 6400980]

約数ペア:

[(1, 6400980), (2, 3200490), (3, 2133660), (4, 1600245), (5, 1280196), (6, 1066830), (9, 711220), (10, 640098), (12, 533415), (15, 426732), (18, 355610), (20, 320049), (30, 213366), (36, 177805), (43, 148860), (45, 142244), (60, 106683), (86, 74430), (90, 71122), (129, 49620), (172, 37215), (180, 35561), (215, 29772), (258, 24810), (387, 16540), (430, 14886), (516, 12405), (645, 9924), (774, 8270), (827, 7740), (860, 7443), (1290, 4962), (1548, 4135), (1654, 3870), (1935, 3308), (2481, 2580)]