30240780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 91445760

約数和(自身を除く): 61204980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 410, 492, 570, 615, 647, 779, 820, 1140, 1230, 1294, 1558, 1941, 2337, 2460, 2588, 3116, 3235, 3882, 3895, 4674, 6470, 7764, 7790, 9348, 9705, 11685, 12293, 12940, 15580, 19410, 23370, 24586, 26527, 36879, 38820, 46740, 49172, 53054, 61465, 73758, 79581, 106108, 122930, 132635, 147516, 159162, 184395, 245860, 265270, 318324, 368790, 397905, 504013, 530540, 737580, 795810, 1008026, 1512039, 1591620, 2016052, 2520065, 3024078, 5040130, 6048156, 7560195, 10080260, 15120390, 30240780]

約数ペア:

[(1, 30240780), (2, 15120390), (3, 10080260), (4, 7560195), (5, 6048156), (6, 5040130), (10, 3024078), (12, 2520065), (15, 2016052), (19, 1591620), (20, 1512039), (30, 1008026), (38, 795810), (41, 737580), (57, 530540), (60, 504013), (76, 397905), (82, 368790), (95, 318324), (114, 265270), (123, 245860), (164, 184395), (190, 159162), (205, 147516), (228, 132635), (246, 122930), (285, 106108), (380, 79581), (410, 73758), (492, 61465), (570, 53054), (615, 49172), (647, 46740), (779, 38820), (820, 36879), (1140, 26527), (1230, 24586), (1294, 23370), (1558, 19410), (1941, 15580), (2337, 12940), (2460, 12293), (2588, 11685), (3116, 9705), (3235, 9348), (3882, 7790), (3895, 7764), (4674, 6470)]