61289080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 147083040

約数和(自身を除く): 85793960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 467, 680, 772, 934, 965, 1544, 1868, 1930, 2335, 3281, 3736, 3860, 4670, 6562, 7720, 7939, 9340, 13124, 15878, 16405, 18680, 26248, 31756, 32810, 39695, 63512, 65620, 79390, 90131, 131240, 158780, 180262, 317560, 360524, 450655, 721048, 901310, 1532227, 1802620, 3064454, 3605240, 6128908, 7661135, 12257816, 15322270, 30644540, 61289080]

約数ペア:

[(1, 61289080), (2, 30644540), (4, 15322270), (5, 12257816), (8, 7661135), (10, 6128908), (17, 3605240), (20, 3064454), (34, 1802620), (40, 1532227), (68, 901310), (85, 721048), (136, 450655), (170, 360524), (193, 317560), (340, 180262), (386, 158780), (467, 131240), (680, 90131), (772, 79390), (934, 65620), (965, 63512), (1544, 39695), (1868, 32810), (1930, 31756), (2335, 26248), (3281, 18680), (3736, 16405), (3860, 15878), (4670, 13124), (6562, 9340), (7720, 7939)]