15915691720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23405429}}^1$

素因数の和:23405457

約数の個数: 32

約数和(自身を含む): 37916796600

約数和(自身を除く): 22001104880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23405429, 46810858, 93621716, 117027145, 187243432, 234054290, 397892293, 468108580, 795784586, 936217160, 1591569172, 1989461465, 3183138344, 3978922930, 7957845860, 15915691720]

約数ペア:

[(1, 15915691720), (2, 7957845860), (4, 3978922930), (5, 3183138344), (8, 1989461465), (10, 1591569172), (17, 936217160), (20, 795784586), (34, 468108580), (40, 397892293), (68, 234054290), (85, 187243432), (136, 117027145), (170, 93621716), (340, 46810858), (680, 23405429)]