15853020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 45856944

約数和(自身を除く): 30003924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 193, 222, 370, 386, 444, 555, 579, 740, 772, 965, 1110, 1158, 1369, 1930, 2220, 2316, 2738, 2895, 3860, 4107, 5476, 5790, 6845, 7141, 8214, 11580, 13690, 14282, 16428, 20535, 21423, 27380, 28564, 35705, 41070, 42846, 71410, 82140, 85692, 107115, 142820, 214230, 264217, 428460, 528434, 792651, 1056868, 1321085, 1585302, 2642170, 3170604, 3963255, 5284340, 7926510, 15853020]

約数ペア:

[(1, 15853020), (2, 7926510), (3, 5284340), (4, 3963255), (5, 3170604), (6, 2642170), (10, 1585302), (12, 1321085), (15, 1056868), (20, 792651), (30, 528434), (37, 428460), (60, 264217), (74, 214230), (111, 142820), (148, 107115), (185, 85692), (193, 82140), (222, 71410), (370, 42846), (386, 41070), (444, 35705), (555, 28564), (579, 27380), (740, 21423), (772, 20535), (965, 16428), (1110, 14282), (1158, 13690), (1369, 11580), (1930, 8214), (2220, 7141), (2316, 6845), (2738, 5790), (2895, 5476), (3860, 4107)]