129650820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166219}}^1$

素因数の和:166244

約数の個数: 48

約数和(自身を含む): 390949440

約数和(自身を除く): 261298620

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, 166219, 332438, 498657, 664876, 831095, 997314, 1662190, 1994628, 2160847, 2493285, 3324380, 4321694, 4986570, 6482541, 8643388, 9973140, 10804235, 12965082, 21608470, 25930164, 32412705, 43216940, 64825410, 129650820]

約数ペア:

[(1, 129650820), (2, 64825410), (3, 43216940), (4, 32412705), (5, 25930164), (6, 21608470), (10, 12965082), (12, 10804235), (13, 9973140), (15, 8643388), (20, 6482541), (26, 4986570), (30, 4321694), (39, 3324380), (52, 2493285), (60, 2160847), (65, 1994628), (78, 1662190), (130, 997314), (156, 831095), (195, 664876), (260, 498657), (390, 332438), (780, 166219)]