171495180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22157}}^1$

素因数の和:22215

約数の個数: 72

約数和(自身を含む): 532323792

約数和(自身を除く): 360828612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 22157, 44314, 66471, 88628, 110785, 132942, 199413, 221570, 265884, 332355, 398826, 443140, 664710, 797652, 952751, 997065, 1329420, 1905502, 1994130, 2858253, 3811004, 3988260, 4763755, 5716506, 8574759, 9527510, 11433012, 14291265, 17149518, 19055020, 28582530, 34299036, 42873795, 57165060, 85747590, 171495180]

約数ペア:

[(1, 171495180), (2, 85747590), (3, 57165060), (4, 42873795), (5, 34299036), (6, 28582530), (9, 19055020), (10, 17149518), (12, 14291265), (15, 11433012), (18, 9527510), (20, 8574759), (30, 5716506), (36, 4763755), (43, 3988260), (45, 3811004), (60, 2858253), (86, 1994130), (90, 1905502), (129, 1329420), (172, 997065), (180, 952751), (215, 797652), (258, 664710), (387, 443140), (430, 398826), (516, 332355), (645, 265884), (774, 221570), (860, 199413), (1290, 132942), (1548, 110785), (1935, 88628), (2580, 66471), (3870, 44314), (7740, 22157)]