81037800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 192

約数和(自身を含む): 286440000

約数和(自身を除く): 205402200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 43, 45, 50, 54, 60, 72, 75, 86, 90, 100, 108, 120, 129, 135, 150, 172, 180, 200, 215, 216, 225, 258, 270, 300, 344, 349, 360, 387, 430, 450, 516, 540, 600, 645, 675, 698, 774, 860, 900, 1032, 1047, 1075, 1080, 1161, 1290, 1350, 1396, 1548, 1720, 1745, 1800, 1935, 2094, 2150, 2322, 2580, 2700, 2792, 3096, 3141, 3225, 3490, 3870, 4188, 4300, 4644, 5160, 5235, 5400, 5805, 6282, 6450, 6980, 7740, 8376, 8600, 8725, 9288, 9423, 9675, 10470, 11610, 12564, 12900, 13960, 15007, 15480, 15705, 17450, 18846, 19350, 20940, 23220, 25128, 25800, 26175, 29025, 30014, 31410, 34900, 37692, 38700, 41880, 45021, 46440, 47115, 52350, 58050, 60028, 62820, 69800, 75035, 75384, 77400, 78525, 90042, 94230, 104700, 116100, 120056, 125640, 135063, 150070, 157050, 180084, 188460, 209400, 225105, 232200, 235575, 270126, 300140, 314100, 360168, 375175, 376920, 405189, 450210, 471150, 540252, 600280, 628200, 675315, 750350, 810378, 900420, 942300, 1080504, 1125525, 1350630, 1500700, 1620756, 1800840, 1884600, 2025945, 2251050, 2701260, 3001400, 3241512, 3376575, 4051890, 4502100, 5402520, 6753150, 8103780, 9004200, 10129725, 13506300, 16207560, 20259450, 27012600, 40518900, 81037800]

約数ペア:

[(1, 81037800), (2, 40518900), (3, 27012600), (4, 20259450), (5, 16207560), (6, 13506300), (8, 10129725), (9, 9004200), (10, 8103780), (12, 6753150), (15, 5402520), (18, 4502100), (20, 4051890), (24, 3376575), (25, 3241512), (27, 3001400), (30, 2701260), (36, 2251050), (40, 2025945), (43, 1884600), (45, 1800840), (50, 1620756), (54, 1500700), (60, 1350630), (72, 1125525), (75, 1080504), (86, 942300), (90, 900420), (100, 810378), (108, 750350), (120, 675315), (129, 628200), (135, 600280), (150, 540252), (172, 471150), (180, 450210), (200, 405189), (215, 376920), (216, 375175), (225, 360168), (258, 314100), (270, 300140), (300, 270126), (344, 235575), (349, 232200), (360, 225105), (387, 209400), (430, 188460), (450, 180084), (516, 157050), (540, 150070), (600, 135063), (645, 125640), (675, 120056), (698, 116100), (774, 104700), (860, 94230), (900, 90042), (1032, 78525), (1047, 77400), (1075, 75384), (1080, 75035), (1161, 69800), (1290, 62820), (1350, 60028), (1396, 58050), (1548, 52350), (1720, 47115), (1745, 46440), (1800, 45021), (1935, 41880), (2094, 38700), (2150, 37692), (2322, 34900), (2580, 31410), (2700, 30014), (2792, 29025), (3096, 26175), (3141, 25800), (3225, 25128), (3490, 23220), (3870, 20940), (4188, 19350), (4300, 18846), (4644, 17450), (5160, 15705), (5235, 15480), (5400, 15007), (5805, 13960), (6282, 12900), (6450, 12564), (6980, 11610), (7740, 10470), (8376, 9675), (8600, 9423), (8725, 9288)]