80173980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15359}}^1$

素因数の和:15403

約数の個数: 72

約数和(自身を含む): 251596800

約数和(自身を除く): 171422820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15359, 30718, 46077, 61436, 76795, 92154, 138231, 153590, 184308, 230385, 276462, 307180, 445411, 460770, 552924, 691155, 890822, 921540, 1336233, 1382310, 1781644, 2227055, 2672466, 2764620, 4008699, 4454110, 5344932, 6681165, 8017398, 8908220, 13362330, 16034796, 20043495, 26724660, 40086990, 80173980]

約数ペア:

[(1, 80173980), (2, 40086990), (3, 26724660), (4, 20043495), (5, 16034796), (6, 13362330), (9, 8908220), (10, 8017398), (12, 6681165), (15, 5344932), (18, 4454110), (20, 4008699), (29, 2764620), (30, 2672466), (36, 2227055), (45, 1781644), (58, 1382310), (60, 1336233), (87, 921540), (90, 890822), (116, 691155), (145, 552924), (174, 460770), (180, 445411), (261, 307180), (290, 276462), (348, 230385), (435, 184308), (522, 153590), (580, 138231), (870, 92154), (1044, 76795), (1305, 61436), (1740, 46077), (2610, 30718), (5220, 15359)]