255815660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{32713}}^1$

素因数の和:32762

約数の個数: 48

約数和(自身を含む): 593562816

約数和(自身を除く): 337747156

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 32713, 65426, 130852, 163565, 327130, 556121, 654260, 752399, 1112242, 1504798, 2224484, 2780605, 3009596, 3761995, 5561210, 7523990, 11122420, 12790783, 15047980, 25581566, 51163132, 63953915, 127907830, 255815660]

約数ペア:

[(1, 255815660), (2, 127907830), (4, 63953915), (5, 51163132), (10, 25581566), (17, 15047980), (20, 12790783), (23, 11122420), (34, 7523990), (46, 5561210), (68, 3761995), (85, 3009596), (92, 2780605), (115, 2224484), (170, 1504798), (230, 1112242), (340, 752399), (391, 654260), (460, 556121), (782, 327130), (1564, 163565), (1955, 130852), (3910, 65426), (7820, 32713)]