320222980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{773}}^1$

素因数の和:1069

約数の個数: 96

約数和(自身を含む): 842607360

約数和(自身を除く): 522384380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 269, 308, 385, 538, 770, 773, 1076, 1345, 1540, 1546, 1883, 2690, 2959, 3092, 3766, 3865, 5380, 5411, 5918, 7532, 7730, 8503, 9415, 10822, 11836, 14795, 15460, 17006, 18830, 20713, 21644, 27055, 29590, 34012, 37660, 41426, 42515, 54110, 59180, 59521, 82852, 85030, 103565, 108220, 119042, 170060, 207130, 207937, 238084, 297605, 414260, 415874, 595210, 831748, 1039685, 1190420, 1455559, 2079370, 2287307, 2911118, 4158740, 4574614, 5822236, 7277795, 9149228, 11436535, 14555590, 16011149, 22873070, 29111180, 32022298, 45746140, 64044596, 80055745, 160111490, 320222980]

約数ペア:

[(1, 320222980), (2, 160111490), (4, 80055745), (5, 64044596), (7, 45746140), (10, 32022298), (11, 29111180), (14, 22873070), (20, 16011149), (22, 14555590), (28, 11436535), (35, 9149228), (44, 7277795), (55, 5822236), (70, 4574614), (77, 4158740), (110, 2911118), (140, 2287307), (154, 2079370), (220, 1455559), (269, 1190420), (308, 1039685), (385, 831748), (538, 595210), (770, 415874), (773, 414260), (1076, 297605), (1345, 238084), (1540, 207937), (1546, 207130), (1883, 170060), (2690, 119042), (2959, 108220), (3092, 103565), (3766, 85030), (3865, 82852), (5380, 59521), (5411, 59180), (5918, 54110), (7532, 42515), (7730, 41426), (8503, 37660), (9415, 34012), (10822, 29590), (11836, 27055), (14795, 21644), (15460, 20713), (17006, 18830)]