281750820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{361219}}^1$

素因数の和:361244

約数の個数: 48

約数和(自身を含む): 849589440

約数和(自身を除く): 567838620

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, 361219, 722438, 1083657, 1444876, 1806095, 2167314, 3612190, 4334628, 4695847, 5418285, 7224380, 9391694, 10836570, 14087541, 18783388, 21673140, 23479235, 28175082, 46958470, 56350164, 70437705, 93916940, 140875410, 281750820]

約数ペア:

[(1, 281750820), (2, 140875410), (3, 93916940), (4, 70437705), (5, 56350164), (6, 46958470), (10, 28175082), (12, 23479235), (13, 21673140), (15, 18783388), (20, 14087541), (26, 10836570), (30, 9391694), (39, 7224380), (52, 5418285), (60, 4695847), (65, 4334628), (78, 3612190), (130, 2167314), (156, 1806095), (195, 1444876), (260, 1083657), (390, 722438), (780, 361219)]