81283500

素因数分解:

$2^2\times 3^6\times 5^3\times {\mathrm{223}}^1$

素因数の和:260

約数の個数: 168

約数和(自身を含む): 267356544

約数和(自身を除く): 186073044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 223, 225, 243, 250, 270, 300, 324, 375, 405, 446, 450, 486, 500, 540, 669, 675, 729, 750, 810, 892, 900, 972, 1115, 1125, 1215, 1338, 1350, 1458, 1500, 1620, 2007, 2025, 2230, 2250, 2430, 2676, 2700, 2916, 3345, 3375, 3645, 4014, 4050, 4460, 4500, 4860, 5575, 6021, 6075, 6690, 6750, 7290, 8028, 8100, 10035, 10125, 11150, 12042, 12150, 13380, 13500, 14580, 16725, 18063, 18225, 20070, 20250, 22300, 24084, 24300, 27875, 30105, 30375, 33450, 36126, 36450, 40140, 40500, 50175, 54189, 55750, 60210, 60750, 66900, 72252, 72900, 83625, 90315, 91125, 100350, 108378, 111500, 120420, 121500, 150525, 162567, 167250, 180630, 182250, 200700, 216756, 250875, 270945, 301050, 325134, 334500, 361260, 364500, 451575, 501750, 541890, 602100, 650268, 752625, 812835, 903150, 1003500, 1083780, 1354725, 1505250, 1625670, 1806300, 2257875, 2709450, 3010500, 3251340, 4064175, 4515750, 5418900, 6773625, 8128350, 9031500, 13547250, 16256700, 20320875, 27094500, 40641750, 81283500]

約数ペア:

[(1, 81283500), (2, 40641750), (3, 27094500), (4, 20320875), (5, 16256700), (6, 13547250), (9, 9031500), (10, 8128350), (12, 6773625), (15, 5418900), (18, 4515750), (20, 4064175), (25, 3251340), (27, 3010500), (30, 2709450), (36, 2257875), (45, 1806300), (50, 1625670), (54, 1505250), (60, 1354725), (75, 1083780), (81, 1003500), (90, 903150), (100, 812835), (108, 752625), (125, 650268), (135, 602100), (150, 541890), (162, 501750), (180, 451575), (223, 364500), (225, 361260), (243, 334500), (250, 325134), (270, 301050), (300, 270945), (324, 250875), (375, 216756), (405, 200700), (446, 182250), (450, 180630), (486, 167250), (500, 162567), (540, 150525), (669, 121500), (675, 120420), (729, 111500), (750, 108378), (810, 100350), (892, 91125), (900, 90315), (972, 83625), (1115, 72900), (1125, 72252), (1215, 66900), (1338, 60750), (1350, 60210), (1458, 55750), (1500, 54189), (1620, 50175), (2007, 40500), (2025, 40140), (2230, 36450), (2250, 36126), (2430, 33450), (2676, 30375), (2700, 30105), (2916, 27875), (3345, 24300), (3375, 24084), (3645, 22300), (4014, 20250), (4050, 20070), (4460, 18225), (4500, 18063), (4860, 16725), (5575, 14580), (6021, 13500), (6075, 13380), (6690, 12150), (6750, 12042), (7290, 11150), (8028, 10125), (8100, 10035)]