255675280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2801}}^1$

素因数の和:2984

約数の個数: 80

約数和(自身を含む): 683777664

約数和(自身を除く): 428102384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 1141, 1304, 1630, 2282, 2608, 2801, 3260, 4564, 5602, 5705, 6520, 9128, 11204, 11410, 13040, 14005, 18256, 19607, 22408, 22820, 28010, 39214, 44816, 45640, 56020, 78428, 91280, 98035, 112040, 156856, 196070, 224080, 313712, 392140, 456563, 784280, 913126, 1568560, 1826252, 2282815, 3195941, 3652504, 4565630, 6391882, 7305008, 9131260, 12783764, 15979705, 18262520, 25567528, 31959410, 36525040, 51135056, 63918820, 127837640, 255675280]

約数ペア:

[(1, 255675280), (2, 127837640), (4, 63918820), (5, 51135056), (7, 36525040), (8, 31959410), (10, 25567528), (14, 18262520), (16, 15979705), (20, 12783764), (28, 9131260), (35, 7305008), (40, 6391882), (56, 4565630), (70, 3652504), (80, 3195941), (112, 2282815), (140, 1826252), (163, 1568560), (280, 913126), (326, 784280), (560, 456563), (652, 392140), (815, 313712), (1141, 224080), (1304, 196070), (1630, 156856), (2282, 112040), (2608, 98035), (2801, 91280), (3260, 78428), (4564, 56020), (5602, 45640), (5705, 44816), (6520, 39214), (9128, 28010), (11204, 22820), (11410, 22408), (13040, 19607), (14005, 18256)]