64578260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 141157632

約数和(自身を除く): 76579372

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 860, 1220, 1231, 2462, 2623, 4924, 5246, 6155, 10492, 12310, 13115, 24620, 26230, 52460, 52933, 75091, 105866, 150182, 211732, 264665, 300364, 375455, 529330, 750910, 1058660, 1501820, 3228913, 6457826, 12915652, 16144565, 32289130, 64578260]

約数ペア:

[(1, 64578260), (2, 32289130), (4, 16144565), (5, 12915652), (10, 6457826), (20, 3228913), (43, 1501820), (61, 1058660), (86, 750910), (122, 529330), (172, 375455), (215, 300364), (244, 264665), (305, 211732), (430, 150182), (610, 105866), (860, 75091), (1220, 52933), (1231, 52460), (2462, 26230), (2623, 24620), (4924, 13115), (5246, 12310), (6155, 10492)]