155583540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123479}}^1$

素因数の和:123501

約数の個数: 72

約数和(自身を含む): 539360640

約数和(自身を除く): 383777100

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, 123479, 246958, 370437, 493916, 617395, 740874, 864353, 1111311, 1234790, 1481748, 1728706, 1852185, 2222622, 2469580, 2593059, 3457412, 3704370, 4321765, 4445244, 5186118, 5556555, 7408740, 7779177, 8643530, 10372236, 11113110, 12965295, 15558354, 17287060, 22226220, 25930590, 31116708, 38895885, 51861180, 77791770, 155583540]

約数ペア:

[(1, 155583540), (2, 77791770), (3, 51861180), (4, 38895885), (5, 31116708), (6, 25930590), (7, 22226220), (9, 17287060), (10, 15558354), (12, 12965295), (14, 11113110), (15, 10372236), (18, 8643530), (20, 7779177), (21, 7408740), (28, 5556555), (30, 5186118), (35, 4445244), (36, 4321765), (42, 3704370), (45, 3457412), (60, 2593059), (63, 2469580), (70, 2222622), (84, 1852185), (90, 1728706), (105, 1481748), (126, 1234790), (140, 1111311), (180, 864353), (210, 740874), (252, 617395), (315, 493916), (420, 370437), (630, 246958), (1260, 123479)]