212914620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3121}}^1$

素因数の和:3515

約数の個数: 72

約数和(自身を含む): 647752560

約数和(自身を除く): 434837940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1895, 2274, 3121, 3411, 3790, 4548, 5685, 6242, 6822, 7580, 9363, 11370, 12484, 13644, 15605, 17055, 18726, 22740, 28089, 31210, 34110, 37452, 46815, 56178, 62420, 68220, 93630, 112356, 140445, 187260, 280890, 561780, 1182859, 2365718, 3548577, 4731436, 5914295, 7097154, 10645731, 11828590, 14194308, 17742885, 21291462, 23657180, 35485770, 42582924, 53228655, 70971540, 106457310, 212914620]

約数ペア:

[(1, 212914620), (2, 106457310), (3, 70971540), (4, 53228655), (5, 42582924), (6, 35485770), (9, 23657180), (10, 21291462), (12, 17742885), (15, 14194308), (18, 11828590), (20, 10645731), (30, 7097154), (36, 5914295), (45, 4731436), (60, 3548577), (90, 2365718), (180, 1182859), (379, 561780), (758, 280890), (1137, 187260), (1516, 140445), (1895, 112356), (2274, 93630), (3121, 68220), (3411, 62420), (3790, 56178), (4548, 46815), (5685, 37452), (6242, 34110), (6822, 31210), (7580, 28089), (9363, 22740), (11370, 18726), (12484, 17055), (13644, 15605)]