16402500

素因数分解:

$2^2\times 3^8\times 5^4$

素因数の和:48

約数の個数: 135

約数和(自身を含む): 53800747

約数和(自身を除く): 37398247

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, 225, 243, 250, 270, 300, 324, 375, 405, 450, 486, 500, 540, 625, 675, 729, 750, 810, 900, 972, 1125, 1215, 1250, 1350, 1458, 1500, 1620, 1875, 2025, 2187, 2250, 2430, 2500, 2700, 2916, 3375, 3645, 3750, 4050, 4374, 4500, 4860, 5625, 6075, 6561, 6750, 7290, 7500, 8100, 8748, 10125, 10935, 11250, 12150, 13122, 13500, 14580, 16875, 18225, 20250, 21870, 22500, 24300, 26244, 30375, 32805, 33750, 36450, 40500, 43740, 50625, 54675, 60750, 65610, 67500, 72900, 91125, 101250, 109350, 121500, 131220, 151875, 164025, 182250, 202500, 218700, 273375, 303750, 328050, 364500, 455625, 546750, 607500, 656100, 820125, 911250, 1093500, 1366875, 1640250, 1822500, 2733750, 3280500, 4100625, 5467500, 8201250, 16402500]

約数ペア:

[(1, 16402500), (2, 8201250), (3, 5467500), (4, 4100625), (5, 3280500), (6, 2733750), (9, 1822500), (10, 1640250), (12, 1366875), (15, 1093500), (18, 911250), (20, 820125), (25, 656100), (27, 607500), (30, 546750), (36, 455625), (45, 364500), (50, 328050), (54, 303750), (60, 273375), (75, 218700), (81, 202500), (90, 182250), (100, 164025), (108, 151875), (125, 131220), (135, 121500), (150, 109350), (162, 101250), (180, 91125), (225, 72900), (243, 67500), (250, 65610), (270, 60750), (300, 54675), (324, 50625), (375, 43740), (405, 40500), (450, 36450), (486, 33750), (500, 32805), (540, 30375), (625, 26244), (675, 24300), (729, 22500), (750, 21870), (810, 20250), (900, 18225), (972, 16875), (1125, 14580), (1215, 13500), (1250, 13122), (1350, 12150), (1458, 11250), (1500, 10935), (1620, 10125), (1875, 8748), (2025, 8100), (2187, 7500), (2250, 7290), (2430, 6750), (2500, 6561), (2700, 6075), (2916, 5625), (3375, 4860), (3645, 4500), (3750, 4374)]