72650180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 162688176

約数和(自身を除く): 90037996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1361, 1570, 2669, 2722, 3140, 5338, 5444, 6805, 10676, 13345, 13610, 23137, 26690, 27220, 46274, 53380, 92548, 115685, 213677, 231370, 427354, 462740, 854708, 1068385, 2136770, 3632509, 4273540, 7265018, 14530036, 18162545, 36325090, 72650180]

約数ペア:

[(1, 72650180), (2, 36325090), (4, 18162545), (5, 14530036), (10, 7265018), (17, 4273540), (20, 3632509), (34, 2136770), (68, 1068385), (85, 854708), (157, 462740), (170, 427354), (314, 231370), (340, 213677), (628, 115685), (785, 92548), (1361, 53380), (1570, 46274), (2669, 27220), (2722, 26690), (3140, 23137), (5338, 13610), (5444, 13345), (6805, 10676)]