8049420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 24648624

約数和(自身を除く): 16599204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 227, 394, 454, 591, 681, 788, 908, 985, 1135, 1182, 1362, 1773, 1970, 2043, 2270, 2364, 2724, 2955, 3405, 3546, 3940, 4086, 4540, 5910, 6810, 7092, 8172, 8865, 10215, 11820, 13620, 17730, 20430, 35460, 40860, 44719, 89438, 134157, 178876, 223595, 268314, 402471, 447190, 536628, 670785, 804942, 894380, 1341570, 1609884, 2012355, 2683140, 4024710, 8049420]

約数ペア:

[(1, 8049420), (2, 4024710), (3, 2683140), (4, 2012355), (5, 1609884), (6, 1341570), (9, 894380), (10, 804942), (12, 670785), (15, 536628), (18, 447190), (20, 402471), (30, 268314), (36, 223595), (45, 178876), (60, 134157), (90, 89438), (180, 44719), (197, 40860), (227, 35460), (394, 20430), (454, 17730), (591, 13620), (681, 11820), (788, 10215), (908, 8865), (985, 8172), (1135, 7092), (1182, 6810), (1362, 5910), (1773, 4540), (1970, 4086), (2043, 3940), (2270, 3546), (2364, 3405), (2724, 2955)]