243363640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 610575840

約数和(自身を除く): 367212200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 487, 520, 620, 806, 961, 974, 1240, 1612, 1922, 1948, 2015, 2435, 3224, 3844, 3896, 4030, 4805, 4870, 6331, 7688, 8060, 9610, 9740, 12493, 12662, 15097, 16120, 19220, 19480, 24986, 25324, 30194, 31655, 38440, 49972, 50648, 60388, 62465, 63310, 75485, 99944, 120776, 124930, 126620, 150970, 196261, 249860, 253240, 301940, 392522, 468007, 499720, 603880, 785044, 936014, 981305, 1570088, 1872028, 1962610, 2340035, 3744056, 3925220, 4680070, 6084091, 7850440, 9360140, 12168182, 18720280, 24336364, 30420455, 48672728, 60840910, 121681820, 243363640]

約数ペア:

[(1, 243363640), (2, 121681820), (4, 60840910), (5, 48672728), (8, 30420455), (10, 24336364), (13, 18720280), (20, 12168182), (26, 9360140), (31, 7850440), (40, 6084091), (52, 4680070), (62, 3925220), (65, 3744056), (104, 2340035), (124, 1962610), (130, 1872028), (155, 1570088), (248, 981305), (260, 936014), (310, 785044), (403, 603880), (487, 499720), (520, 468007), (620, 392522), (806, 301940), (961, 253240), (974, 249860), (1240, 196261), (1612, 150970), (1922, 126620), (1948, 124930), (2015, 120776), (2435, 99944), (3224, 75485), (3844, 63310), (3896, 62465), (4030, 60388), (4805, 50648), (4870, 49972), (6331, 38440), (7688, 31655), (8060, 30194), (9610, 25324), (9740, 24986), (12493, 19480), (12662, 19220), (15097, 16120)]