71871660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{57041}}^1$

素因数の和:57063

約数の個数: 72

約数和(自身を含む): 249159456

約数和(自身を除く): 177287796

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 57041, 114082, 171123, 228164, 285205, 342246, 399287, 513369, 570410, 684492, 798574, 855615, 1026738, 1140820, 1197861, 1597148, 1711230, 1996435, 2053476, 2395722, 2566845, 3422460, 3593583, 3992870, 4791444, 5133690, 5989305, 7187166, 7985740, 10267380, 11978610, 14374332, 17967915, 23957220, 35935830, 71871660]

約数ペア:

[(1, 71871660), (2, 35935830), (3, 23957220), (4, 17967915), (5, 14374332), (6, 11978610), (7, 10267380), (9, 7985740), (10, 7187166), (12, 5989305), (14, 5133690), (15, 4791444), (18, 3992870), (20, 3593583), (21, 3422460), (28, 2566845), (30, 2395722), (35, 2053476), (36, 1996435), (42, 1711230), (45, 1597148), (60, 1197861), (63, 1140820), (70, 1026738), (84, 855615), (90, 798574), (105, 684492), (126, 570410), (140, 513369), (180, 399287), (210, 342246), (252, 285205), (315, 228164), (420, 171123), (630, 114082), (1260, 57041)]