87000420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111539}}^1$

素因数の和:111564

約数の個数: 48

約数和(自身を含む): 262342080

約数和(自身を除く): 175341660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 111539, 223078, 334617, 446156, 557695, 669234, 1115390, 1338468, 1450007, 1673085, 2230780, 2900014, 3346170, 4350021, 5800028, 6692340, 7250035, 8700042, 14500070, 17400084, 21750105, 29000140, 43500210, 87000420]

約数ペア:

[(1, 87000420), (2, 43500210), (3, 29000140), (4, 21750105), (5, 17400084), (6, 14500070), (10, 8700042), (12, 7250035), (13, 6692340), (15, 5800028), (20, 4350021), (26, 3346170), (30, 2900014), (39, 2230780), (52, 1673085), (60, 1450007), (65, 1338468), (78, 1115390), (130, 669234), (156, 557695), (195, 446156), (260, 334617), (390, 223078), (780, 111539)]