2620403715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{971}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 4686128640

約数和(自身を除く): 2065724925

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 557, 969, 971, 1615, 1671, 2785, 2913, 4845, 4855, 8355, 9469, 10583, 14565, 16507, 18449, 28407, 31749, 47345, 49521, 52915, 55347, 82535, 92245, 142035, 158745, 179911, 247605, 276735, 313633, 539733, 540847, 899555, 940899, 1568165, 1622541, 2698665, 2704235, 4704495, 8112705, 9194399, 10276093, 27583197, 30828279, 45971995, 51380465, 137915985, 154141395, 174693581, 524080743, 873467905, 2620403715]

約数ペア:

[(1, 2620403715), (3, 873467905), (5, 524080743), (15, 174693581), (17, 154141395), (19, 137915985), (51, 51380465), (57, 45971995), (85, 30828279), (95, 27583197), (255, 10276093), (285, 9194399), (323, 8112705), (557, 4704495), (969, 2704235), (971, 2698665), (1615, 1622541), (1671, 1568165), (2785, 940899), (2913, 899555), (4845, 540847), (4855, 539733), (8355, 313633), (9469, 276735), (10583, 247605), (14565, 179911), (16507, 158745), (18449, 142035), (28407, 92245), (31749, 82535), (47345, 55347), (49521, 52915)]