7620730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 15514632

約数和(自身を除く): 7893902

約数列:

[1, 2, 5, 10, 13, 26, 31, 61, 62, 65, 122, 130, 155, 305, 310, 403, 610, 793, 806, 961, 1586, 1891, 1922, 2015, 3782, 3965, 4030, 4805, 7930, 9455, 9610, 12493, 18910, 24583, 24986, 49166, 58621, 62465, 117242, 122915, 124930, 245830, 293105, 586210, 762073, 1524146, 3810365, 7620730]

約数ペア:

[(1, 7620730), (2, 3810365), (5, 1524146), (10, 762073), (13, 586210), (26, 293105), (31, 245830), (61, 124930), (62, 122915), (65, 117242), (122, 62465), (130, 58621), (155, 49166), (305, 24986), (310, 24583), (403, 18910), (610, 12493), (793, 9610), (806, 9455), (961, 7930), (1586, 4805), (1891, 4030), (1922, 3965), (2015, 3782)]