30761380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 73785600

約数和(自身を除く): 43024220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 479, 494, 676, 845, 958, 988, 1235, 1690, 1916, 2395, 2470, 3211, 3380, 4790, 4940, 6227, 6422, 9101, 9580, 12454, 12844, 16055, 18202, 24908, 31135, 32110, 36404, 45505, 62270, 64220, 80951, 91010, 118313, 124540, 161902, 182020, 236626, 323804, 404755, 473252, 591565, 809510, 1183130, 1538069, 1619020, 2366260, 3076138, 6152276, 7690345, 15380690, 30761380]

約数ペア:

[(1, 30761380), (2, 15380690), (4, 7690345), (5, 6152276), (10, 3076138), (13, 2366260), (19, 1619020), (20, 1538069), (26, 1183130), (38, 809510), (52, 591565), (65, 473252), (76, 404755), (95, 323804), (130, 236626), (169, 182020), (190, 161902), (247, 124540), (260, 118313), (338, 91010), (380, 80951), (479, 64220), (494, 62270), (676, 45505), (845, 36404), (958, 32110), (988, 31135), (1235, 24908), (1690, 18202), (1916, 16055), (2395, 12844), (2470, 12454), (3211, 9580), (3380, 9101), (4790, 6422), (4940, 6227)]