320192940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{280871}}^1$

素因数の和:280902

約数の個数: 48

約数和(自身を含む): 943729920

約数和(自身を除く): 623536980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 280871, 561742, 842613, 1123484, 1404355, 1685226, 2808710, 3370452, 4213065, 5336549, 5617420, 8426130, 10673098, 16009647, 16852260, 21346196, 26682745, 32019294, 53365490, 64038588, 80048235, 106730980, 160096470, 320192940]

約数ペア:

[(1, 320192940), (2, 160096470), (3, 106730980), (4, 80048235), (5, 64038588), (6, 53365490), (10, 32019294), (12, 26682745), (15, 21346196), (19, 16852260), (20, 16009647), (30, 10673098), (38, 8426130), (57, 5617420), (60, 5336549), (76, 4213065), (95, 3370452), (114, 2808710), (190, 1685226), (228, 1404355), (285, 1123484), (380, 842613), (570, 561742), (1140, 280871)]