78319410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{491}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 203333760

約数和(自身を除く): 125014350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 409, 491, 818, 982, 1227, 1473, 2045, 2454, 2455, 2946, 4090, 4910, 5317, 6135, 6383, 7365, 10634, 12270, 12766, 14730, 15951, 19149, 26585, 31902, 31915, 38298, 53170, 63830, 79755, 95745, 159510, 191490, 200819, 401638, 602457, 1004095, 1204914, 2008190, 2610647, 3012285, 5221294, 6024570, 7831941, 13053235, 15663882, 26106470, 39159705, 78319410]

約数ペア:

[(1, 78319410), (2, 39159705), (3, 26106470), (5, 15663882), (6, 13053235), (10, 7831941), (13, 6024570), (15, 5221294), (26, 3012285), (30, 2610647), (39, 2008190), (65, 1204914), (78, 1004095), (130, 602457), (195, 401638), (390, 200819), (409, 191490), (491, 159510), (818, 95745), (982, 79755), (1227, 63830), (1473, 53170), (2045, 38298), (2454, 31915), (2455, 31902), (2946, 26585), (4090, 19149), (4910, 15951), (5317, 14730), (6135, 12766), (6383, 12270), (7365, 10634)]