261231000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4583}}^1$

素因数の和:4626

約数の個数: 128

約数和(自身を含む): 858124800

約数和(自身を除く): 596893800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 250, 285, 300, 375, 380, 456, 475, 500, 570, 600, 750, 760, 950, 1000, 1140, 1425, 1500, 1900, 2280, 2375, 2850, 3000, 3800, 4583, 4750, 5700, 7125, 9166, 9500, 11400, 13749, 14250, 18332, 19000, 22915, 27498, 28500, 36664, 45830, 54996, 57000, 68745, 87077, 91660, 109992, 114575, 137490, 174154, 183320, 229150, 261231, 274980, 343725, 348308, 435385, 458300, 522462, 549960, 572875, 687450, 696616, 870770, 916600, 1044924, 1145750, 1306155, 1374900, 1718625, 1741540, 2089848, 2176925, 2291500, 2612310, 2749800, 3437250, 3483080, 4353850, 4583000, 5224620, 6530775, 6874500, 8707700, 10449240, 10884625, 13061550, 13749000, 17415400, 21769250, 26123100, 32653875, 43538500, 52246200, 65307750, 87077000, 130615500, 261231000]

約数ペア:

[(1, 261231000), (2, 130615500), (3, 87077000), (4, 65307750), (5, 52246200), (6, 43538500), (8, 32653875), (10, 26123100), (12, 21769250), (15, 17415400), (19, 13749000), (20, 13061550), (24, 10884625), (25, 10449240), (30, 8707700), (38, 6874500), (40, 6530775), (50, 5224620), (57, 4583000), (60, 4353850), (75, 3483080), (76, 3437250), (95, 2749800), (100, 2612310), (114, 2291500), (120, 2176925), (125, 2089848), (150, 1741540), (152, 1718625), (190, 1374900), (200, 1306155), (228, 1145750), (250, 1044924), (285, 916600), (300, 870770), (375, 696616), (380, 687450), (456, 572875), (475, 549960), (500, 522462), (570, 458300), (600, 435385), (750, 348308), (760, 343725), (950, 274980), (1000, 261231), (1140, 229150), (1425, 183320), (1500, 174154), (1900, 137490), (2280, 114575), (2375, 109992), (2850, 91660), (3000, 87077), (3800, 68745), (4583, 57000), (4750, 54996), (5700, 45830), (7125, 36664), (9166, 28500), (9500, 27498), (11400, 22915), (13749, 19000), (14250, 18332)]