81251100

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{1433}}^1$

素因数の和:1466

約数の個数: 180

約数和(自身を含む): 301220304

約数和(自身を除く): 219969204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1433, 1575, 1620, 1890, 2025, 2100, 2268, 2700, 2835, 2866, 3150, 3780, 4050, 4299, 4725, 5670, 5732, 6300, 7165, 8100, 8598, 9450, 10031, 11340, 12897, 14175, 14330, 17196, 18900, 20062, 21495, 25794, 28350, 28660, 30093, 35825, 38691, 40124, 42990, 50155, 51588, 56700, 60186, 64485, 71650, 77382, 85980, 90279, 100310, 107475, 116073, 120372, 128970, 143300, 150465, 154764, 180558, 193455, 200620, 214950, 232146, 250775, 257940, 270837, 300930, 322425, 361116, 386910, 429900, 451395, 464292, 501550, 541674, 580365, 601860, 644850, 752325, 773820, 812511, 902790, 967275, 1003100, 1083348, 1160730, 1289700, 1354185, 1504650, 1625022, 1805580, 1934550, 2256975, 2321460, 2708370, 2901825, 3009300, 3250044, 3869100, 4062555, 4513950, 5416740, 5803650, 6770925, 8125110, 9027900, 11607300, 13541850, 16250220, 20312775, 27083700, 40625550, 81251100]

約数ペア:

[(1, 81251100), (2, 40625550), (3, 27083700), (4, 20312775), (5, 16250220), (6, 13541850), (7, 11607300), (9, 9027900), (10, 8125110), (12, 6770925), (14, 5803650), (15, 5416740), (18, 4513950), (20, 4062555), (21, 3869100), (25, 3250044), (27, 3009300), (28, 2901825), (30, 2708370), (35, 2321460), (36, 2256975), (42, 1934550), (45, 1805580), (50, 1625022), (54, 1504650), (60, 1354185), (63, 1289700), (70, 1160730), (75, 1083348), (81, 1003100), (84, 967275), (90, 902790), (100, 812511), (105, 773820), (108, 752325), (126, 644850), (135, 601860), (140, 580365), (150, 541674), (162, 501550), (175, 464292), (180, 451395), (189, 429900), (210, 386910), (225, 361116), (252, 322425), (270, 300930), (300, 270837), (315, 257940), (324, 250775), (350, 232146), (378, 214950), (405, 200620), (420, 193455), (450, 180558), (525, 154764), (540, 150465), (567, 143300), (630, 128970), (675, 120372), (700, 116073), (756, 107475), (810, 100310), (900, 90279), (945, 85980), (1050, 77382), (1134, 71650), (1260, 64485), (1350, 60186), (1433, 56700), (1575, 51588), (1620, 50155), (1890, 42990), (2025, 40124), (2100, 38691), (2268, 35825), (2700, 30093), (2835, 28660), (2866, 28350), (3150, 25794), (3780, 21495), (4050, 20062), (4299, 18900), (4725, 17196), (5670, 14330), (5732, 14175), (6300, 12897), (7165, 11340), (8100, 10031), (8598, 9450)]