40590780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 118917120

約数和(自身を除く): 78326340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 139, 155, 157, 186, 278, 310, 314, 372, 417, 465, 471, 556, 620, 628, 695, 785, 834, 930, 942, 1390, 1570, 1668, 1860, 1884, 2085, 2355, 2780, 3140, 4170, 4309, 4710, 4867, 8340, 8618, 9420, 9734, 12927, 14601, 17236, 19468, 21545, 21823, 24335, 25854, 29202, 43090, 43646, 48670, 51708, 58404, 64635, 65469, 73005, 86180, 87292, 97340, 109115, 129270, 130938, 146010, 218230, 258540, 261876, 292020, 327345, 436460, 654690, 676513, 1309380, 1353026, 2029539, 2706052, 3382565, 4059078, 6765130, 8118156, 10147695, 13530260, 20295390, 40590780]

約数ペア:

[(1, 40590780), (2, 20295390), (3, 13530260), (4, 10147695), (5, 8118156), (6, 6765130), (10, 4059078), (12, 3382565), (15, 2706052), (20, 2029539), (30, 1353026), (31, 1309380), (60, 676513), (62, 654690), (93, 436460), (124, 327345), (139, 292020), (155, 261876), (157, 258540), (186, 218230), (278, 146010), (310, 130938), (314, 129270), (372, 109115), (417, 97340), (465, 87292), (471, 86180), (556, 73005), (620, 65469), (628, 64635), (695, 58404), (785, 51708), (834, 48670), (930, 43646), (942, 43090), (1390, 29202), (1570, 25854), (1668, 24335), (1860, 21823), (1884, 21545), (2085, 19468), (2355, 17236), (2780, 14601), (3140, 12927), (4170, 9734), (4309, 9420), (4710, 8618), (4867, 8340)]