30601980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 93405312

約数和(自身を除く): 62803332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 863, 985, 1182, 1726, 1773, 1970, 2364, 2589, 2955, 3452, 3546, 3940, 4315, 5178, 5910, 7092, 7767, 8630, 8865, 10356, 11820, 12945, 15534, 17260, 17730, 25890, 31068, 35460, 38835, 51780, 77670, 155340, 170011, 340022, 510033, 680044, 850055, 1020066, 1530099, 1700110, 2040132, 2550165, 3060198, 3400220, 5100330, 6120396, 7650495, 10200660, 15300990, 30601980]

約数ペア:

[(1, 30601980), (2, 15300990), (3, 10200660), (4, 7650495), (5, 6120396), (6, 5100330), (9, 3400220), (10, 3060198), (12, 2550165), (15, 2040132), (18, 1700110), (20, 1530099), (30, 1020066), (36, 850055), (45, 680044), (60, 510033), (90, 340022), (180, 170011), (197, 155340), (394, 77670), (591, 51780), (788, 38835), (863, 35460), (985, 31068), (1182, 25890), (1726, 17730), (1773, 17260), (1970, 15534), (2364, 12945), (2589, 11820), (2955, 10356), (3452, 8865), (3546, 8630), (3940, 7767), (4315, 7092), (5178, 5910)]