86899020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111409}}^1$

素因数の和:111434

約数の個数: 48

約数和(自身を含む): 262036320

約数和(自身を除く): 175137300

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, 111409, 222818, 334227, 445636, 557045, 668454, 1114090, 1336908, 1448317, 1671135, 2228180, 2896634, 3342270, 4344951, 5793268, 6684540, 7241585, 8689902, 14483170, 17379804, 21724755, 28966340, 43449510, 86899020]

約数ペア:

[(1, 86899020), (2, 43449510), (3, 28966340), (4, 21724755), (5, 17379804), (6, 14483170), (10, 8689902), (12, 7241585), (13, 6684540), (15, 5793268), (20, 4344951), (26, 3342270), (30, 2896634), (39, 2228180), (52, 1671135), (60, 1448317), (65, 1336908), (78, 1114090), (130, 668454), (156, 557045), (195, 445636), (260, 334227), (390, 222818), (780, 111409)]