18315420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 54405120

約数和(自身を除く): 36089700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 229, 258, 310, 372, 430, 458, 465, 516, 620, 645, 687, 860, 916, 930, 1145, 1290, 1333, 1374, 1860, 2290, 2580, 2666, 2748, 3435, 3999, 4580, 5332, 6665, 6870, 7099, 7998, 9847, 13330, 13740, 14198, 15996, 19694, 19995, 21297, 26660, 28396, 29541, 35495, 39388, 39990, 42594, 49235, 59082, 70990, 79980, 85188, 98470, 106485, 118164, 141980, 147705, 196940, 212970, 295410, 305257, 425940, 590820, 610514, 915771, 1221028, 1526285, 1831542, 3052570, 3663084, 4578855, 6105140, 9157710, 18315420]

約数ペア:

[(1, 18315420), (2, 9157710), (3, 6105140), (4, 4578855), (5, 3663084), (6, 3052570), (10, 1831542), (12, 1526285), (15, 1221028), (20, 915771), (30, 610514), (31, 590820), (43, 425940), (60, 305257), (62, 295410), (86, 212970), (93, 196940), (124, 147705), (129, 141980), (155, 118164), (172, 106485), (186, 98470), (215, 85188), (229, 79980), (258, 70990), (310, 59082), (372, 49235), (430, 42594), (458, 39990), (465, 39388), (516, 35495), (620, 29541), (645, 28396), (687, 26660), (860, 21297), (916, 19995), (930, 19694), (1145, 15996), (1290, 14198), (1333, 13740), (1374, 13330), (1860, 9847), (2290, 7998), (2580, 7099), (2666, 6870), (2748, 6665), (3435, 5332), (3999, 4580)]