77720175

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 163114560

約数和(自身を除く): 85394385

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 85, 117, 135, 153, 195, 221, 225, 255, 325, 351, 425, 459, 521, 585, 663, 675, 765, 975, 1105, 1275, 1563, 1755, 1989, 2295, 2605, 2925, 3315, 3825, 4689, 5525, 5967, 6773, 7815, 8775, 8857, 9945, 11475, 13025, 14067, 16575, 20319, 23445, 26571, 29835, 33865, 39075, 44285, 49725, 60957, 70335, 79713, 101595, 115141, 117225, 132855, 149175, 169325, 182871, 221425, 239139, 304785, 345423, 351675, 398565, 507975, 575705, 664275, 914355, 1036269, 1195695, 1523925, 1727115, 1992825, 2878525, 3108807, 4571775, 5181345, 5978475, 8635575, 15544035, 25906725, 77720175]

約数ペア:

[(1, 77720175), (3, 25906725), (5, 15544035), (9, 8635575), (13, 5978475), (15, 5181345), (17, 4571775), (25, 3108807), (27, 2878525), (39, 1992825), (45, 1727115), (51, 1523925), (65, 1195695), (75, 1036269), (85, 914355), (117, 664275), (135, 575705), (153, 507975), (195, 398565), (221, 351675), (225, 345423), (255, 304785), (325, 239139), (351, 221425), (425, 182871), (459, 169325), (521, 149175), (585, 132855), (663, 117225), (675, 115141), (765, 101595), (975, 79713), (1105, 70335), (1275, 60957), (1563, 49725), (1755, 44285), (1989, 39075), (2295, 33865), (2605, 29835), (2925, 26571), (3315, 23445), (3825, 20319), (4689, 16575), (5525, 14067), (5967, 13025), (6773, 11475), (7815, 9945), (8775, 8857)]