81113400

素因数分解:

$2^3\times 3^5\times 5^2\times {\mathrm{1669}}^1$

素因数の和:1700

約数の個数: 144

約数和(自身を含む): 282664200

約数和(自身を除く): 201550800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 243, 270, 300, 324, 360, 405, 450, 486, 540, 600, 648, 675, 810, 900, 972, 1080, 1215, 1350, 1620, 1669, 1800, 1944, 2025, 2430, 2700, 3240, 3338, 4050, 4860, 5007, 5400, 6075, 6676, 8100, 8345, 9720, 10014, 12150, 13352, 15021, 16200, 16690, 20028, 24300, 25035, 30042, 33380, 40056, 41725, 45063, 48600, 50070, 60084, 66760, 75105, 83450, 90126, 100140, 120168, 125175, 135189, 150210, 166900, 180252, 200280, 225315, 250350, 270378, 300420, 333800, 360504, 375525, 405567, 450630, 500700, 540756, 600840, 675945, 751050, 811134, 901260, 1001400, 1081512, 1126575, 1351890, 1502100, 1622268, 1802520, 2027835, 2253150, 2703780, 3004200, 3244536, 3379725, 4055670, 4506300, 5407560, 6759450, 8111340, 9012600, 10139175, 13518900, 16222680, 20278350, 27037800, 40556700, 81113400]

約数ペア:

[(1, 81113400), (2, 40556700), (3, 27037800), (4, 20278350), (5, 16222680), (6, 13518900), (8, 10139175), (9, 9012600), (10, 8111340), (12, 6759450), (15, 5407560), (18, 4506300), (20, 4055670), (24, 3379725), (25, 3244536), (27, 3004200), (30, 2703780), (36, 2253150), (40, 2027835), (45, 1802520), (50, 1622268), (54, 1502100), (60, 1351890), (72, 1126575), (75, 1081512), (81, 1001400), (90, 901260), (100, 811134), (108, 751050), (120, 675945), (135, 600840), (150, 540756), (162, 500700), (180, 450630), (200, 405567), (216, 375525), (225, 360504), (243, 333800), (270, 300420), (300, 270378), (324, 250350), (360, 225315), (405, 200280), (450, 180252), (486, 166900), (540, 150210), (600, 135189), (648, 125175), (675, 120168), (810, 100140), (900, 90126), (972, 83450), (1080, 75105), (1215, 66760), (1350, 60084), (1620, 50070), (1669, 48600), (1800, 45063), (1944, 41725), (2025, 40056), (2430, 33380), (2700, 30042), (3240, 25035), (3338, 24300), (4050, 20028), (4860, 16690), (5007, 16200), (5400, 15021), (6075, 13352), (6676, 12150), (8100, 10014), (8345, 9720)]