210213180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5237}}^1$

素因数の和:5475

約数の個数: 72

約数和(自身を含む): 640628352

約数和(自身を除く): 430415172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 5237, 6690, 8028, 10035, 10474, 13380, 15711, 20070, 20948, 26185, 31422, 40140, 47133, 52370, 62844, 78555, 94266, 104740, 157110, 188532, 235665, 314220, 471330, 942660, 1167851, 2335702, 3503553, 4671404, 5839255, 7007106, 10510659, 11678510, 14014212, 17517765, 21021318, 23357020, 35035530, 42042636, 52553295, 70071060, 105106590, 210213180]

約数ペア:

[(1, 210213180), (2, 105106590), (3, 70071060), (4, 52553295), (5, 42042636), (6, 35035530), (9, 23357020), (10, 21021318), (12, 17517765), (15, 14014212), (18, 11678510), (20, 10510659), (30, 7007106), (36, 5839255), (45, 4671404), (60, 3503553), (90, 2335702), (180, 1167851), (223, 942660), (446, 471330), (669, 314220), (892, 235665), (1115, 188532), (1338, 157110), (2007, 104740), (2230, 94266), (2676, 78555), (3345, 62844), (4014, 52370), (4460, 47133), (5237, 40140), (6690, 31422), (8028, 26185), (10035, 20948), (10474, 20070), (13380, 15711)]