15828520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 38232000

約数和(自身を除く): 22403480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 353, 380, 472, 590, 706, 760, 1121, 1180, 1412, 1765, 2242, 2360, 2824, 3530, 4484, 5605, 6707, 7060, 8968, 11210, 13414, 14120, 20827, 22420, 26828, 33535, 41654, 44840, 53656, 67070, 83308, 104135, 134140, 166616, 208270, 268280, 395713, 416540, 791426, 833080, 1582852, 1978565, 3165704, 3957130, 7914260, 15828520]

約数ペア:

[(1, 15828520), (2, 7914260), (4, 3957130), (5, 3165704), (8, 1978565), (10, 1582852), (19, 833080), (20, 791426), (38, 416540), (40, 395713), (59, 268280), (76, 208270), (95, 166616), (118, 134140), (152, 104135), (190, 83308), (236, 67070), (295, 53656), (353, 44840), (380, 41654), (472, 33535), (590, 26828), (706, 22420), (760, 20827), (1121, 14120), (1180, 13414), (1412, 11210), (1765, 8968), (2242, 7060), (2360, 6707), (2824, 5605), (3530, 4484)]