280485000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 240

約数和(自身を含む): 994181760

約数和(自身を除く): 713696760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 50, 60, 69, 72, 75, 90, 92, 100, 115, 120, 125, 138, 150, 180, 184, 200, 207, 225, 230, 250, 271, 276, 300, 345, 360, 375, 414, 450, 460, 500, 542, 552, 575, 600, 625, 690, 750, 813, 828, 900, 920, 1000, 1035, 1084, 1125, 1150, 1250, 1355, 1380, 1500, 1626, 1656, 1725, 1800, 1875, 2070, 2168, 2250, 2300, 2439, 2500, 2710, 2760, 2875, 3000, 3252, 3450, 3750, 4065, 4140, 4500, 4600, 4878, 5000, 5175, 5420, 5625, 5750, 6233, 6504, 6775, 6900, 7500, 8130, 8280, 8625, 9000, 9756, 10350, 10840, 11250, 11500, 12195, 12466, 13550, 13800, 14375, 15000, 16260, 17250, 18699, 19512, 20325, 20700, 22500, 23000, 24390, 24932, 25875, 27100, 28750, 31165, 32520, 33875, 34500, 37398, 40650, 41400, 43125, 45000, 48780, 49864, 51750, 54200, 56097, 57500, 60975, 62330, 67750, 69000, 74796, 81300, 86250, 93495, 97560, 101625, 103500, 112194, 115000, 121950, 124660, 129375, 135500, 149592, 155825, 162600, 169375, 172500, 186990, 203250, 207000, 224388, 243900, 249320, 258750, 271000, 280485, 304875, 311650, 338750, 345000, 373980, 406500, 448776, 467475, 487800, 508125, 517500, 560970, 609750, 623300, 677500, 747960, 779125, 813000, 934950, 1016250, 1035000, 1121940, 1219500, 1246600, 1355000, 1402425, 1524375, 1558250, 1869900, 2032500, 2243880, 2337375, 2439000, 2804850, 3048750, 3116500, 3739800, 3895625, 4065000, 4674750, 5609700, 6097500, 6233000, 7012125, 7791250, 9349500, 11219400, 11686875, 12195000, 14024250, 15582500, 18699000, 23373750, 28048500, 31165000, 35060625, 46747500, 56097000, 70121250, 93495000, 140242500, 280485000]

約数ペア:

[(1, 280485000), (2, 140242500), (3, 93495000), (4, 70121250), (5, 56097000), (6, 46747500), (8, 35060625), (9, 31165000), (10, 28048500), (12, 23373750), (15, 18699000), (18, 15582500), (20, 14024250), (23, 12195000), (24, 11686875), (25, 11219400), (30, 9349500), (36, 7791250), (40, 7012125), (45, 6233000), (46, 6097500), (50, 5609700), (60, 4674750), (69, 4065000), (72, 3895625), (75, 3739800), (90, 3116500), (92, 3048750), (100, 2804850), (115, 2439000), (120, 2337375), (125, 2243880), (138, 2032500), (150, 1869900), (180, 1558250), (184, 1524375), (200, 1402425), (207, 1355000), (225, 1246600), (230, 1219500), (250, 1121940), (271, 1035000), (276, 1016250), (300, 934950), (345, 813000), (360, 779125), (375, 747960), (414, 677500), (450, 623300), (460, 609750), (500, 560970), (542, 517500), (552, 508125), (575, 487800), (600, 467475), (625, 448776), (690, 406500), (750, 373980), (813, 345000), (828, 338750), (900, 311650), (920, 304875), (1000, 280485), (1035, 271000), (1084, 258750), (1125, 249320), (1150, 243900), (1250, 224388), (1355, 207000), (1380, 203250), (1500, 186990), (1626, 172500), (1656, 169375), (1725, 162600), (1800, 155825), (1875, 149592), (2070, 135500), (2168, 129375), (2250, 124660), (2300, 121950), (2439, 115000), (2500, 112194), (2710, 103500), (2760, 101625), (2875, 97560), (3000, 93495), (3252, 86250), (3450, 81300), (3750, 74796), (4065, 69000), (4140, 67750), (4500, 62330), (4600, 60975), (4878, 57500), (5000, 56097), (5175, 54200), (5420, 51750), (5625, 49864), (5750, 48780), (6233, 45000), (6504, 43125), (6775, 41400), (6900, 40650), (7500, 37398), (8130, 34500), (8280, 33875), (8625, 32520), (9000, 31165), (9756, 28750), (10350, 27100), (10840, 25875), (11250, 24932), (11500, 24390), (12195, 23000), (12466, 22500), (13550, 20700), (13800, 20325), (14375, 19512), (15000, 18699), (16260, 17250)]