1287804570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{194239}}^1$

素因数の和:194279

約数の個数: 64

約数和(自身を含む): 3524290560

約数和(自身を除く): 2236485990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 194239, 388478, 582717, 971195, 1165434, 1942390, 2525107, 2913585, 3302063, 5050214, 5827170, 6604126, 7575321, 9906189, 12625535, 15150642, 16510315, 19812378, 25251070, 33020630, 37876605, 42926819, 49530945, 75753210, 85853638, 99061890, 128780457, 214634095, 257560914, 429268190, 643902285, 1287804570]

約数ペア:

[(1, 1287804570), (2, 643902285), (3, 429268190), (5, 257560914), (6, 214634095), (10, 128780457), (13, 99061890), (15, 85853638), (17, 75753210), (26, 49530945), (30, 42926819), (34, 37876605), (39, 33020630), (51, 25251070), (65, 19812378), (78, 16510315), (85, 15150642), (102, 12625535), (130, 9906189), (170, 7575321), (195, 6604126), (221, 5827170), (255, 5050214), (390, 3302063), (442, 2913585), (510, 2525107), (663, 1942390), (1105, 1165434), (1326, 971195), (2210, 582717), (3315, 388478), (6630, 194239)]