78682380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187339}}^1$

素因数の和:187358

約数の個数: 48

約数和(自身を含む): 251784960

約数和(自身を除く): 173102580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187339, 374678, 562017, 749356, 936695, 1124034, 1311373, 1873390, 2248068, 2622746, 2810085, 3746780, 3934119, 5245492, 5620170, 6556865, 7868238, 11240340, 13113730, 15736476, 19670595, 26227460, 39341190, 78682380]

約数ペア:

[(1, 78682380), (2, 39341190), (3, 26227460), (4, 19670595), (5, 15736476), (6, 13113730), (7, 11240340), (10, 7868238), (12, 6556865), (14, 5620170), (15, 5245492), (20, 3934119), (21, 3746780), (28, 2810085), (30, 2622746), (35, 2248068), (42, 1873390), (60, 1311373), (70, 1124034), (84, 936695), (105, 749356), (140, 562017), (210, 374678), (420, 187339)]