81788760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227191}}^1$

素因数の和:227208

約数の個数: 48

約数和(自身を含む): 265814640

約数和(自身を除く): 184025880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227191, 454382, 681573, 908764, 1135955, 1363146, 1817528, 2044719, 2271910, 2726292, 3407865, 4089438, 4543820, 5452584, 6815730, 8178876, 9087640, 10223595, 13631460, 16357752, 20447190, 27262920, 40894380, 81788760]

約数ペア:

[(1, 81788760), (2, 40894380), (3, 27262920), (4, 20447190), (5, 16357752), (6, 13631460), (8, 10223595), (9, 9087640), (10, 8178876), (12, 6815730), (15, 5452584), (18, 4543820), (20, 4089438), (24, 3407865), (30, 2726292), (36, 2271910), (40, 2044719), (45, 1817528), (60, 1363146), (72, 1135955), (90, 908764), (120, 681573), (180, 454382), (360, 227191)]