78643890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67217}}^1$

素因数の和:67243

約数の個数: 48

約数和(自身を含む): 220206168

約数和(自身を除く): 141562278

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 67217, 134434, 201651, 336085, 403302, 604953, 672170, 873821, 1008255, 1209906, 1747642, 2016510, 2621463, 3024765, 4369105, 5242926, 6049530, 7864389, 8738210, 13107315, 15728778, 26214630, 39321945, 78643890]

約数ペア:

[(1, 78643890), (2, 39321945), (3, 26214630), (5, 15728778), (6, 13107315), (9, 8738210), (10, 7864389), (13, 6049530), (15, 5242926), (18, 4369105), (26, 3024765), (30, 2621463), (39, 2016510), (45, 1747642), (65, 1209906), (78, 1008255), (90, 873821), (117, 672170), (130, 604953), (195, 403302), (234, 336085), (390, 201651), (585, 134434), (1170, 67217)]