81541080

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{8389}}^1$

素因数の和:8415

約数の個数: 96

約数和(自身を含む): 274856400

約数和(自身を除く): 193315320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 8389, 9720, 16778, 25167, 33556, 41945, 50334, 67112, 75501, 83890, 100668, 125835, 151002, 167780, 201336, 226503, 251670, 302004, 335560, 377505, 453006, 503340, 604008, 679509, 755010, 906012, 1006680, 1132515, 1359018, 1510020, 1812024, 2038527, 2265030, 2718036, 3020040, 3397545, 4077054, 4530060, 5436072, 6795090, 8154108, 9060120, 10192635, 13590180, 16308216, 20385270, 27180360, 40770540, 81541080]

約数ペア:

[(1, 81541080), (2, 40770540), (3, 27180360), (4, 20385270), (5, 16308216), (6, 13590180), (8, 10192635), (9, 9060120), (10, 8154108), (12, 6795090), (15, 5436072), (18, 4530060), (20, 4077054), (24, 3397545), (27, 3020040), (30, 2718036), (36, 2265030), (40, 2038527), (45, 1812024), (54, 1510020), (60, 1359018), (72, 1132515), (81, 1006680), (90, 906012), (108, 755010), (120, 679509), (135, 604008), (162, 503340), (180, 453006), (216, 377505), (243, 335560), (270, 302004), (324, 251670), (360, 226503), (405, 201336), (486, 167780), (540, 151002), (648, 125835), (810, 100668), (972, 83890), (1080, 75501), (1215, 67112), (1620, 50334), (1944, 41945), (2430, 33556), (3240, 25167), (4860, 16778), (8389, 9720)]