138648420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26561}}^1$

素因数の和:26605

約数の個数: 72

約数和(自身を含む): 435085560

約数和(自身を除く): 296437140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 26561, 53122, 79683, 106244, 132805, 159366, 239049, 265610, 318732, 398415, 478098, 531220, 770269, 796830, 956196, 1195245, 1540538, 1593660, 2310807, 2390490, 3081076, 3851345, 4621614, 4780980, 6932421, 7702690, 9243228, 11554035, 13864842, 15405380, 23108070, 27729684, 34662105, 46216140, 69324210, 138648420]

約数ペア:

[(1, 138648420), (2, 69324210), (3, 46216140), (4, 34662105), (5, 27729684), (6, 23108070), (9, 15405380), (10, 13864842), (12, 11554035), (15, 9243228), (18, 7702690), (20, 6932421), (29, 4780980), (30, 4621614), (36, 3851345), (45, 3081076), (58, 2390490), (60, 2310807), (87, 1593660), (90, 1540538), (116, 1195245), (145, 956196), (174, 796830), (180, 770269), (261, 531220), (290, 478098), (348, 398415), (435, 318732), (522, 265610), (580, 239049), (870, 159366), (1044, 132805), (1305, 106244), (1740, 79683), (2610, 53122), (5220, 26561)]