15809080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 25248200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 431, 524, 655, 862, 917, 1048, 1310, 1724, 1834, 2155, 2620, 3017, 3448, 3668, 4310, 4585, 5240, 6034, 7336, 8620, 9170, 12068, 15085, 17240, 18340, 24136, 30170, 36680, 56461, 60340, 112922, 120680, 225844, 282305, 395227, 451688, 564610, 790454, 1129220, 1580908, 1976135, 2258440, 3161816, 3952270, 7904540, 15809080]

約数ペア:

[(1, 15809080), (2, 7904540), (4, 3952270), (5, 3161816), (7, 2258440), (8, 1976135), (10, 1580908), (14, 1129220), (20, 790454), (28, 564610), (35, 451688), (40, 395227), (56, 282305), (70, 225844), (131, 120680), (140, 112922), (262, 60340), (280, 56461), (431, 36680), (524, 30170), (655, 24136), (862, 18340), (917, 17240), (1048, 15085), (1310, 12068), (1724, 9170), (1834, 8620), (2155, 7336), (2620, 6034), (3017, 5240), (3448, 4585), (3668, 4310)]