30020980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 46183820

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 170, 187, 220, 230, 253, 340, 349, 374, 391, 460, 506, 698, 748, 782, 935, 1012, 1265, 1396, 1564, 1745, 1870, 1955, 2530, 3490, 3740, 3839, 3910, 4301, 5060, 5933, 6980, 7678, 7820, 8027, 8602, 11866, 15356, 16054, 17204, 19195, 21505, 23732, 29665, 32108, 38390, 40135, 43010, 59330, 65263, 76780, 80270, 86020, 88297, 118660, 130526, 136459, 160540, 176594, 261052, 272918, 326315, 353188, 441485, 545836, 652630, 682295, 882970, 1305260, 1364590, 1501049, 1765940, 2729180, 3002098, 6004196, 7505245, 15010490, 30020980]

約数ペア:

[(1, 30020980), (2, 15010490), (4, 7505245), (5, 6004196), (10, 3002098), (11, 2729180), (17, 1765940), (20, 1501049), (22, 1364590), (23, 1305260), (34, 882970), (44, 682295), (46, 652630), (55, 545836), (68, 441485), (85, 353188), (92, 326315), (110, 272918), (115, 261052), (170, 176594), (187, 160540), (220, 136459), (230, 130526), (253, 118660), (340, 88297), (349, 86020), (374, 80270), (391, 76780), (460, 65263), (506, 59330), (698, 43010), (748, 40135), (782, 38390), (935, 32108), (1012, 29665), (1265, 23732), (1396, 21505), (1564, 19195), (1745, 17204), (1870, 16054), (1955, 15356), (2530, 11866), (3490, 8602), (3740, 8027), (3839, 7820), (3910, 7678), (4301, 6980), (5060, 5933)]