15978420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3061}}^1$

素因数の和:3105

約数の個数: 72

約数和(自身を含む): 50155560

約数和(自身を除く): 34177140

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, 3061, 5220, 6122, 9183, 12244, 15305, 18366, 27549, 30610, 36732, 45915, 55098, 61220, 88769, 91830, 110196, 137745, 177538, 183660, 266307, 275490, 355076, 443845, 532614, 550980, 798921, 887690, 1065228, 1331535, 1597842, 1775380, 2663070, 3195684, 3994605, 5326140, 7989210, 15978420]

約数ペア:

[(1, 15978420), (2, 7989210), (3, 5326140), (4, 3994605), (5, 3195684), (6, 2663070), (9, 1775380), (10, 1597842), (12, 1331535), (15, 1065228), (18, 887690), (20, 798921), (29, 550980), (30, 532614), (36, 443845), (45, 355076), (58, 275490), (60, 266307), (87, 183660), (90, 177538), (116, 137745), (145, 110196), (174, 91830), (180, 88769), (261, 61220), (290, 55098), (348, 45915), (435, 36732), (522, 30610), (580, 27549), (870, 18366), (1044, 15305), (1305, 12244), (1740, 9183), (2610, 6122), (3061, 5220)]