12390930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 33638436

約数和(自身を除く): 21247506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 61, 74, 90, 111, 122, 183, 185, 222, 305, 333, 366, 370, 549, 555, 610, 666, 915, 1098, 1110, 1665, 1830, 2257, 2745, 3330, 3721, 4514, 5490, 6771, 7442, 11163, 11285, 13542, 18605, 20313, 22326, 22570, 33489, 33855, 37210, 40626, 55815, 66978, 67710, 101565, 111630, 137677, 167445, 203130, 275354, 334890, 413031, 688385, 826062, 1239093, 1376770, 2065155, 2478186, 4130310, 6195465, 12390930]

約数ペア:

[(1, 12390930), (2, 6195465), (3, 4130310), (5, 2478186), (6, 2065155), (9, 1376770), (10, 1239093), (15, 826062), (18, 688385), (30, 413031), (37, 334890), (45, 275354), (61, 203130), (74, 167445), (90, 137677), (111, 111630), (122, 101565), (183, 67710), (185, 66978), (222, 55815), (305, 40626), (333, 37210), (366, 33855), (370, 33489), (549, 22570), (555, 22326), (610, 20313), (666, 18605), (915, 13542), (1098, 11285), (1110, 11163), (1665, 7442), (1830, 6771), (2257, 5490), (2745, 4514), (3330, 3721)]