21872520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60757}}^1$

素因数の和:60774

約数の個数: 48

約数和(自身を含む): 71086860

約数和(自身を除く): 49214340

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, 60757, 121514, 182271, 243028, 303785, 364542, 486056, 546813, 607570, 729084, 911355, 1093626, 1215140, 1458168, 1822710, 2187252, 2430280, 2734065, 3645420, 4374504, 5468130, 7290840, 10936260, 21872520]

約数ペア:

[(1, 21872520), (2, 10936260), (3, 7290840), (4, 5468130), (5, 4374504), (6, 3645420), (8, 2734065), (9, 2430280), (10, 2187252), (12, 1822710), (15, 1458168), (18, 1215140), (20, 1093626), (24, 911355), (30, 729084), (36, 607570), (40, 546813), (45, 486056), (60, 364542), (72, 303785), (90, 243028), (120, 182271), (180, 121514), (360, 60757)]